Hefei Analu International Trading Co., Ltd.
  • Hefei Analu International Trading Co., Ltd.
  • Home
  • About Us
  • Products
    Aluminum Alloy Profile For Civil Use
    Industrial Aluminium Profiles
    Solar Aluminium Profiles
  • News
  • Contact Us
Home > Products >
  • Aluminum Alloy Profile For Civil Use
  • Industrial Aluminium Profiles
  • Solar Aluminium Profiles

Multi-head combination drilling machine

Simply complete the form below, click submit, you will get the price list and a Hefei Analu International Trading Co., Ltd. representative will contact you within one business day. Please also feel free to contact us by email or phone. ( * Denotes a required field).

  • Multi-head Combination Drilling Machine - Buy Multi-head ...

    Multi-head Combination Drilling Machine Special for drilling of Aluminum window,curtain wall profile,suitable for long profile processing and mass production. Suitable for the profile less than 250*250mm,Max processing length 5000mm, pneumatic-hydraulic damp feeding system.

    Get Price
  • Aluminum Drilling Machine - Multi Head Combination ...

    It is used for drilling holes of aluminum and wall-curtain profiles, as well as drilling assembling holes of Aluminum and PVC window and door. Adopt programmable controller (PLC) ensures the machine running steady and reliable. The drilling heads can be used individually, combinative or jointly as well as be combined at will.

    Get Price
  • Multi-head Combination Drilling Machine Manufacturer ...

    Main Features: 1.Used for aluminum /pvc prilfile,drilling single hole or multi holes,especially used for long profile and massive production. 2.Each power-head can be installed with multi-drilling-head,so group of holes can be drilled. 3.Each head can be used for drilling simultaniously.

    Get Price
  • Used Multi Head Drilling Machines for sale. Baileigh ...

    Meddings 6 Position Multi head Drilling Machine fitted with 1-off M4 head and 1-off M5 head. Manufacturer: Meddings; Capacity: M4 head 22mm; Meddings 6 Position Multi Head Drill fitted with 1-off M4 head and 1-off M5 head. M4 head capacity 22mm. M5 head capacity 25mm. Machine equipped with M5 head has auto reverse tapping 1 off drill chuck ...

    Get Price
  • Multi Head Combination Drilling Machine Manufacturer in ...

    1. Used for drilling holes on aluminum profiles and curtain wall profiles. Apply to volume-produce. 2. Max processing profile section size is 250x250mm. max processing requirement. 3. Multi-head boring anchor can be fixed to meet multi-holes processing requirement. 4. Feeding system adopts hydraulic-damping cylinder, which ensures smooth feeding. 5.

    Get Price
  • Automatic Multi-Head Combination Drilling Machine, Rs ...

    Crown Building Solutions - Offering Automatic Multi-Head Combination Drilling Machine at Rs 800000/set in Mumbai, Maharashtra. Read about company. Get contact details and address

    Get Price
  • China Multi-Head Combination Drilling Machine for Aluminum ...

    Drilling Machine, Milling & Drilling Machine, Drilling Hole manufacturer / supplier in China, offering Multi-Head Combination Drilling Machine for Aluminum Window 4, 4 Axis Aluminium CNC Machining Center Milling Drilling Machine, Automatic Aluminium Cutting Saw Center Window Door Machine and so on.

    Get Price
  • Multi-Head Combination Drilling Machine at Best Price in ...

    Buy low price Multi-Head Combination Drilling Machine in Yingxiongshan Road, Jinan. Multi-Head Combination Drilling Machine offered by CBS INDUSTRY CO., LTD. is available with multiple payment options and easy delivery.

    Get Price
  • Adjustable Multi-Drill Spindle Heads

    The adjustable Multi-Drill Spindle Heads quickly drill two, three or four holes at one time on a standard drill press, milling machine, self-feeder drill, etc. Adjustable multi-drill heads are available in ER8, ER11, ER16, ER20, ER25, Male Jacobs Taper, motor shaft, ASA

    Get Price
  • Multi Head Drilling Machine at Best Price in India

    Automation Multi Head Drill & Tapping Solution. Rs 1 Lakh/ Unit Get Latest Price. Owing to year of experience, we are master in offering best quality of Multihead Drill Machine. This Magnetic Core Drill Machine is frequently used to mill, drill, bore, cut threads or face turn using a rotating tool and in many other applications.

    Get Price
  • Used Multi Head Drilling Machines for sale. Baileigh ...

    Meddings 6 Position Multi head Drilling Machine fitted with 1-off M4 head and 1-off M5 head. Manufacturer: Meddings; Capacity: M4 head 22mm; Meddings 6 Position Multi Head Drill fitted with 1-off M4 head and 1-off M5 head. M4 head capacity 22mm. M5 head capacity 25mm. Machine equipped with M5 head has auto reverse tapping 1 off drill chuck ...

    Get Price
  • DMF-606 Multi-head Combination Drilling Machine-aluminium ...

    The machine is mainly used for aluminium profiles combination holes drilling.. The feeding system adopt CNC servo control, the holes diameters are CNC adjustable, more accuracy. Spindles distance is adjustable, equipped with digital measurement display features easy adjustment and more accuracy also.

    Get Price
  • Multi-Head Drilling Machine - HepcoMotion

    Task Design an automated multi-head drilling machine to drill 112 holes in aluminum sheets, 126 inches in length, that are used in the manufacturing of semi-tractor trailers. Currently CH Engineerings customer manually drills the holes which is very labor intensive. With the business steadily improving, the customer could not build trailers fast enough. The drilling machine drills ...

    Get Price
  • Multi-Head Combination Drilling Machine at Best Price in ...

    Reckoned amid one of the distinguished business entities, we manufacture, export and supply a top class consignment of Multi-Head Combination Drilling Machine in Jinan, Shandong, China. Features and functions: 1. Used for drilling holes in aluminium profiles and curtain wall profiles. 2.

    Get Price
  • Multi Head Combination Drilling Machine for Aluminum at ...

    * Adopting: multi drilling head are optional to meet multi group holes processing in one time. * Adopting: it can increase the powered head quantity base from the basic configuration. Clients can avail this Multi Head Combination Drilling Machine for Aluminum at industry leading prices from us.

    Get Price
  • Multi-Spindle Drill Heads for Drilling and Tapping

    Multi Spindle Drill heads are for production drilling and tapping. These drill heads can replace gang drills for drilling and tapping close spaced holes. Adapters to convert a drill press into a multi-spindle drilling machine are included.

    Get Price
  • Mill Drill Machine: Amazon.com

    Jet machines are quite functional. A milling machine is the heart of a machine shop. If this is your first milling machine, expect to spend and equal amount on the tooling you will need to make it work. A clamping kit, an assortment of end mills chucks and holders, a vice, a rotary table, an indexing head

    Get Price
  • Automated Multi Drilling, Drill Heads, Tapping Equipment, more

    AutoDrill provides automatic drilling machines, tapping heads, & custom metalworking equipment products for companies worldwide. Skip to content. 1-800-871-5022. 1221 U.S. Highway 22 (Suite 6A) Lebanon, NJ 08833. facebook instagram youtube twitter.

    Get Price
  • Tap/Drill Combination Tools McMaster-Carr

    Drill holes and cut threads without switching tools. Made of uncoated high-speed steel, these taps are for use on most metal and plastic. The square shank is compatible with tap holders for drill presses and milling machines. All have a plug chamfer with 3-5 chamfered cutting threads, so they"re suitable for start-to-finish tapping.. Taps with spiral flutes keep chips clear by drawing them ...

    Get Price
  • Drilling Machine: Definition, Parts, Types, and Operations ...

    A drilling machine is one of the important machine tools in the workshop.. In todays article, I will discuss the definition, parts, types, and operations of the drilling machine you should know about.Also at the end of the article, I will give you the pdf download link.. We also perform drilling operation in lathe machine too, but drill machine is made for this specific drill operations, so ...

    Get Price
  • Mill Drill Machine at Wholesale Tool

    Marvelous Mini Machine package! TO PURCHASE THE MINI MACHINES SEPARATELY: "R8 Spindle Mini Mill & Drill Machine Order #3004-0136" Or "7" x 10" Precision Mini Table Lathe Order #3003-0025" Mini mill and drill machine is variable speed and is used for drilling and end and face milling. Its features

    Get Price
  • Multi head drilling machine Manufacturers & Suppliers ...

    multi head drilling machine manufacturer/supplier, China multi head drilling machine manufacturer & factory list, find qualified Chinese multi head drilling machine manufacturers, suppliers, factories, exporters & wholesalers quickly on Made-in-China.com.

    Get Price
  • Lzz4-13 Aluminum Profile Multi Head Hole Drilling Machine

    China Lzz4-13 Aluminum Profile Multi Head Hole Drilling Machine, Find details about China Drilling Machine, Combination Drilling Machine from Lzz4-13 Aluminum Profile Multi Head Hole Drilling Machine - Jinan Bohman Machinery Co., Ltd.

    Get Price
  • China Multi-Head Combination Drilling Machine for Aluminum ...

    Drilling Machine, Milling & Drilling Machine, Drilling Hole manufacturer / supplier in China, offering Multi-Head Combination Drilling Machine for Aluminum Window 4, 4 Axis Aluminium CNC Machining Center Milling Drilling Machine, Automatic Aluminium Cutting Saw Center Window Door Machine and so on.

    Get Price
  • Multi Head Drilling Machine - Kaiue Machine

    Multi Head Drilling Machine is suitable for aluminum profile drilling. and also could use on upvc or other lightweight materials drilling.

    Get Price
  • Muilti Head Combination Drilling Machine, LZZ4A-13 ...

    Muilti Head Combination Drilling Machine LZZ4A-13 Used for drilling holes on aluminum profiles and curtain wall profiles. Apply to volume-produce, multi-head boring anchor can be fixed to meet multi-holes processing requirement.

    Get Price
  • Multi Head Drilling Machine - Manufacturers & Suppliers in ...

    Owing to year of experience, we are master in offering best quality of Multihead Drill Machine. This Magnetic Core Drill Machine is frequently used to mill, drill, bore, cut threads or face turn using a rotating tool and in many other applications.

    Get Price
  • DMF-606 Multi-head Combination Drilling Machine-aluminium ...

    The machine is mainly used for aluminium profiles combination holes drilling.. The feeding system adopt CNC servo control, the holes diameters are CNC adjustable, more accuracy. Spindles distance is adjustable, equipped with digital measurement display features easy adjustment and more accuracy also.

    Get Price
  • LZZ6-13 Multi-head Combination Drilling Machine,Aluminum ...

    LZZ6-13 Multi-head Combination Drilling Machine,Aluminum Profile Drilling Punching MC,Aluminum Window and Door MC,Jinan Liaoyuan Machine Co.,Ltd,Features and Functions:1. Used for drilling holes on aluminum profiles and curtain wall profiles. Apply t

    Get Price
  • China Multi Head Drilling Machine, Multi Head Drilling ...

    China Multi Head Drilling Machine manufacturers - Select 2020 high quality Multi Head Drilling Machine products in best price from certified Chinese Machine manufacturers, China Machinery suppliers, wholesalers and factory on Made-in-China.com

    Get Price
  • Multi Head Drilling Machine - Manufacturers, Suppliers ...

    Find here information of Multi Head Drilling Machine selling companies for your buy requirements. Contact verified Multi Head Drilling Machine Manufacturers, Multi Head Drilling Machine suppliers, Multi Head Drilling Machine exporters wholesalers, producers, retailers and traders in India.

    Get Price
  • Mill Drill Machine at Wholesale Tool

    Marvelous Mini Machine package! TO PURCHASE THE MINI MACHINES SEPARATELY: "R8 Spindle Mini Mill & Drill Machine Order #3004-0136" Or "7" x 10" Precision Mini Table Lathe Order #3003-0025" Mini mill and drill machine is variable speed and is used for drilling and end and face milling. Its features

    Get Price
  • Multi Head Drilling Machine at Best Price in India

    Find here online price details of companies selling Multi Head Drilling Machine. Get info of suppliers, manufacturers, exporters, traders of Multi Head Drilling Machine for buying in India.

    Get Price
  • Drilling Machine [Parts, Types, Tools, Operations] with PDF

    The drilling machine is defined as a machine which is used to make a circular hole, a tool used to drill the holes of different size and other related operations using a drill bit.. The drilling machine is one of the most important machines in a workshop. As regards its importance it is second only to the lathe machines.Holes were drilled by the Egyptians in 1200 B.C. about 3000 years ago by ...

    Get Price
  • Famous machine . Four-head Combination Drilling holes ...

    Four-head Combination Drilling holes Machine_OKCHEM Please note that all emails sent by OKCHEM are from ***@okchem.com, [email protected] okchemvip.com, or [email protected] Please be alert of other emails sent to you in the name of OKCHEM.

    Get Price
  • Combination Drill & Tap Sets - Threading Sets - Grainger ...

    These sets contain multiple combination drill-and-tap tools in a range of sizes. These tools save time by eliminating the need to switch between different tools when performing multiple operations on a hole. These sets are used in applications where users will be drilling and tapping holes of various sizes.

    Get Price
  • Combo Lathe Mill SMITHY - The Original & Still The Best

    2) Precision is much higher than other lathe mill combo knock-off machines: All Granite metal lathe and mill components are machined to tighter specs. The bearings used in Granite machines are higher grade. Designed and built, from the ground up, to a higher precision standard.

    Get Price
  • Multi Spindle Machines - An In Depth Overview

    A multi-spindle machine is a screw machine that is made in a way that it can cut materials into small pieces in a simultaneous manner through the use of a number of tools.. This machine possesses multiple spindles which are found on a drum that rotates in a horizontal manner. One rotation of the drum can complete the number of operations that need to be carried out for a part to be finished ...

    Get Price
  • Multi spindle heads, drilling units, and drilling heads ...

    Quality multi spindle heads easily work with grinding machines, drilling machines, other CNC machines, and even entire machining centers, making combinations both versatile and effective. Where a CNC machinist may typically have to switch from machine to machine and employ a range of products to complete projects, he can save time and money by ...

    Get Price
  • Multi Mitre Combination Drilling Machine

    Multi Mitre Combination Drilling Machine. Model: LZZ6A-13. Product Description. Details. Features & Advantages. 1. Used for drilling holes on aluminum profiles and curtain wall profiles. Apply to volume-produce. 2. Max processing profile section size is 250250mm, max processing length is 5000mm. 3.

    Get Price
  • LZZ6-13 Multi-head Combination Drilling Machine,Aluminum ...

    LZZ6-13 Multi-head Combination Drilling Machine,Aluminum Profile Drilling Punching MC,Aluminum Window and Door MC,Jinan Liaoyuan Machine Co.,Ltd,Features and Functions:1. Used for drilling holes on aluminum profiles and curtain wall profiles. Apply t

    Get Price
  • multi spindle drilling machine, multi spindle drilling ...

    Alibaba.com offers 1,504 multi spindle drilling machine products. About 22% of these are Drilling Machines, 6% are Wood Boring Machines, and 0% are Other Woodworking Machinery. A wide variety of multi spindle drilling machine options are available to you, such as cnc or not.

    Get Price
  • MULTI-SPINDLE DRILL HEAD- Mechanical Project

    The MULTI SPINDLE DRILL HEAD (Eccentric Drive) is one which can be used to drill a number of holes at various large and even unsymmetrical layouts according to our requirements, where the conventional Multi spindle Drill Heads cannot be used.This is an improvement over geared drill heads and drill heads adopted with universal joints. This is an improvement over geared drill heads and drill ...

    Get Price
  • Combination Milling Machines - Milling Machines - MSC ...

    Tackle multiple applications with one machine using combination milling machines from MSC. Our mill and drill machine combinations are available with various table lengths and widths, plus they give you the option of step pulley, geared head or variable speed pulley controls. We also carry a range of 3-in-1 machines that combine milling ...

    Get Price
  • Multi Head Drilling Machine Suppliers, Manufacturers ...

    Working Range (Max.) : 1000 x 500 mm Working Range (Max.): 1000 x 500 mm Machines integrated into a BacktoBack Configuration Sawing-Drilling system for BeamProfile Processing Complete with roller conveyors & cross-transport system, length measuring system, safety system and machine software package In perfect working condition Pricing inclusive of Freight, Installation, Commissioning, Training ...

    Get Price
  • AutoDrill Drilling Heads

    Machining and Drilling Heads AutoDrills collet style heads use the industry standard ER style collets for high precision, lower cost, and international availability. Drilling heads for metalworking are available in these configurations: Adjustable Adjustable Multi-Drill Spindle Heads, sometimes called multi-prong drills or multi prong tools are suitable for equally spaced hole ...

    Get Price
  • AutoDrill - Automated Multi Drill Heads, Tapping Equipment ...

    Purlin or Purline Drilling Machine. Purlin or purline is often pre-drilled by hand at a very slow pace. An automatic purlin drilling machine built by Square1 and using AutoDrills units recently made the process much more efficient for FBI Buildings.

    Get Price
  • Combination Chamfer & Countersink Drills - MSC Industrial ...

    6 to 8mm Drill Diam, 19.05mm Body Shank Diam, 8mm Drill Shank Diam, Combo Chamfer & Countersink Drill Straight Shank Connection, 1.02" Body Diam, 4.31" OAL, Uses 2 3.42805R001 Inserts. MSC# 09201815 Kennametal (1604271)

    Get Price
  • Lathe / Mill / Drill Combos - Bolton Tools

    Bolton Tool offers a combination Metal Lathe/Milling Machine for increased usability and at the best price. Our combo lathe/mills are priced to be the best bargain for use in a small shop or garage. Our combo machines are great for turning, milling and drilling and is great for all types of projects.

    Get Price
  • CNC Multi-head Drilling Machine OT1525 - oturncnc.com

    CNC Multi-head Drilling Machine OT1525. This CNC multi-head drilling machine uses 2 or 3 high-speed spindle is mainly used for metal sheet processing, processing NC, high efficiency, high precision, easy program, and simple operation.

    Get Price
  • Shop Tools and Machinery at Grizzly.com

    Grizzly Industrial, Inc. is a national retail and internet company providing a wide variety of high-quality woodworking and metalworking machinery, power tools, hand tools and accessories. By selling directly to end users we provide the best quality products at the best price to professionals and hobbyists.

    Get Price
  • Shopsmith MARK 7 and Mark V Multipurpose Tools

    With Shopsmith"s latest MARK 7 machine, you get a 10" Table Saw - 34" Lathe - 12" Disc Sander - 16-1/2" Vertical Drill Press - Over/Under-Table Router - Over/Under Table Shaper and Horizontal Boring Machine in an amazingly small two-foot by six-foot space. Just tuck it snugly away in a corner of the garage or basement until it"s needed then ...

    Get Price
  • Used Multispindle Drilling Head for sale. Maggi equipment ...

    Boring System 46 multispindle drilling machine Product code: 303. Weight: 410 kg; Semi-automatic multi-spindle drilling machine equipped with two parallel vertical head s. The machine has been specially designed for in-line drilling, making it ideal for the production of shelves and cabinets. T...

    Get Price
  • Horizontal Multi Heads Drilling Machine - Qingdao Xinlihui ...

    Aluminum Profile Multi-Head Drilling Machine Aluminum Curtain Wall Combination Drilling Machine Horizontal Multi-Axis Drilling Machine FOB Price: US 6,000-6,500 / Piece. Min. Order: 1 Piece. Manufacturers Supply Woodworking Double-Ended Vertical Drilling Machine Woodworking Multi-Head Porous Drilling Machinery ...

    Get Price
  • US3509619A - Multi-head drilling machine with head ...

    A multi-head machine, as set forth in claim 7, wherein each of said heads is a multi-spindle drilling head. 11. A multi-head machine, as set forth in claim 5, wherein said carriage arranged for removing one of said heads from said magazine and inserting the head into the replacement position in said holder member on said machine frame comprises ...

    Get Price
  • Multi heads vertical industrial woodworking well drilling ...

    Multi heads vertical industrial woodworking well drilling machine with best price_OKCHEM. Please note that all emails sent by OKCHEM are from ***@okchem.com, [email protected] okchemvip.com, or [email protected] Please be alert of other emails sent to you in

    Get Price
  • Multi-Head Drilling Machine - Hepco India

    Task Design an automated multi-head drilling machine to drill 112 holes in aluminum sheets, 126 inches in length, that are used in the manufacturing of semi-tractor trailers. Currently CH Engineerings customer manually drills the holes which is very labor intensive. With the business steadily improving, the customer could not build trailers fast enough.

    Get Price
  • Multi Head Drilling Machine Taiwantrade.com

    Detailed info about Multi Head Drilling Machine. Contact Taiwan Drilling Machine supplier-HO CHIER ENTERPRISE CO., LTD. for on Taiwantrade.

    Get Price
  • China Mz73213A Horizontal Multi Head Wood Drilling Boring ...

    China Mz73213A Horizontal Multi Head Wood Drilling Boring Machine Price, Find details about China Three Rows Drilling Machine, Drilling Machine from Mz73213A Horizontal Multi Head Wood Drilling Boring Machine Price - Shanghai Win Star Woodworking Machinery Co., Ltd.

    Get Price
  • Multi Spindle Head, Multiple Drilling & Tapping Machine ...

    Automatic Drill Special Purpose Machine Sitemap Add: #58 Yuandian Road, Huangyan District, Taizhou City, Zhejiang Province, China. Tel: +86-576-89898883 Fax: +86-576-89891099

    Get Price
  • Special Purpose Drilling Machines and ... - Auram Apptech

    We design, manufacture, supply and service provide a production machines like Pitch controlled tapping machines, multi spindle drilling heads, multi spindle tapping heads, variable p.c.d. multi spindle head and special purpose drilling machines. Available in various technical specifications, depending on the specific need of the client and component, like quantity, accuracy etc.

    Get Price
  • CDTM2100110 Combination Drilling / Tapping Machines ...

    Combination Drilling - Tapping Machines - CDTM2100110. CONTENTS. 3/4" - 1" Tap and 3/4" - 2" Drill. Item Code Description

    Get Price
  • Multi-spindle / Geared Head Drilling Machine in Ojo ...

    Jiji.ng Vertical Drilling & Tapping machine High precision drilling to ensure concentricity and vertical degree Simple operation, high efficiency rapidly Saving time,labor,province Model: 1) Automatic cycle operation, there is no requirement for the operater experience,help you reduce labor costs 2)Support Multi-spindle / Geared Head Drilling Machine in Ojo - Electrical Tools, Okonta ...

    Get Price
  • 7 Combination or Multi-Function Tools to Save You Time and ...

    A combination or multi-function tool is just what it sounds likea single tool that can perform the functions of more than one tool. They can save you time and money by eliminating the need for a tool change or saving you a position in your tool carousel or lathe turret.

    Get Price
  • SPM, Special Purpose Machine Manufacturers, Milling ...

    Rotary Pitch Drilling Special Purpose Machine. Rotary Coordinate Drilling SPM for dia 2,000 mm is developed for an ancillary of L&T. This is a forced thru-coolant enable deep hole drilling machine for 35 mm x 400 mm deep holes.

    Get Price
  • K5200xmc - Kinetic Plasma Cutting & Plate Cutting

    This heavy-duty combination plasma cutting, oxy-fuel cutting, and milling machine will give your business a competitive edge. With multiple functions in a single machine, plus automated part removal, theres no need for complex fixtures, multiple setups, or moving work pieces from station to station, maximizing productivity and profitability for your business.

    Get Price
  • LED radiator cooling system customised heat sink aluminium extrusion Heatsinks manufacturing
  • Motorcycle Grille Guard water cooling radiator cover tank net Protector For y15zr exciter sniper150
  • toco Decor Door Kitchen City Edge Furniture Black Brushed Stainless Steel G Handle Aluminium Profile
  • Solar cell panel Polycrystalline Silicon 250W 72pcs Light Weight Home garden Solar Panel
  • Donghui High quality monocrystalline transparent solar cells solar panel 300 w
  • wood grain aluminum square hollow tube
  • Huafu Microneedle Derma Pen Hydra Pen H2 for skin care serum injector
  • Aluminum alloy road bicycle racing car 30 33 speed bend double disc brake 700C speed change student bicycle J0018
  • Solar Mounting Pitched Metal Tin Roof System
  • aluminum profile for partition office cubicle workstation
  • w11 symmetrical thin sheet 3 roller plate rolling machine
  • 6063 t5 extruded 4040 aluminum profile top selling products

Hefei Analu International Trading Co., Ltd.

  • Hefei, Anhui, China
  • +86-15375332609
  • [email protected]
Phone:+86-15375332609

About

Product

  • Aluminum Alloy Profile For Civil Use
  • Industrial Aluminium Profiles
  • Solar Aluminium Profiles

News

Sitemap | Chinese Factory Supplier Pocket Door Frame Kits | Customized Aluminum solar system sun room glass room winter garden with solar panel | Diffraction doormat ship swimming pool drain fiber fasteners grating |
Hefei Analu International Trading Co., Ltd.