Home
Supplier Discovery
Packaging & Printing
Screen Printer
Window Process Machine Factories & Companies
Filter
Category
Construction & Decoration
Electrical & Electronics
Light Industry & Daily Use
Manufacturing & Processing Machinery
Metallurgy, Mineral & Energy
More
Management Certification
ISO9001:2008
Others
ISO9001:2015
ISO14001:2015
ISO45001:2016
More
R&D Capacity
OEM
ODM
Own Brand
Others
Annual Revenue
<1 Million USD
1 ~ 2.5 Million USD
2.5 ~ 5 Million USD
5 ~ 10 Million USD
10 ~ 50 Million USD
More
No.of Employees
Less than 5 People
5-50 People
51-200 People
201-500 People
501-1000 People
More
Province & Region
Anhui
Beijing
Chongqing
Fujian
Guangdong
More
about window process machine
Technological Innovation
Reliable Supply Chains
Substantial Manufacturing Capabilities
window process machine
5,000+ factories verified
Shandong Eworld Machine Co., Ltd.
Send Inquiry
V Notch Cutting Saw UPVC Window and Door Frame Production Line PVC UPVC Window Process Machine
US$
1,000.00
-
1,500.00
1 Piece
(MOQ)
High Density Double Axis Copy Milling Machine PVC UPVC Window Process Machine Double-Head Copy-Routing Machine
US$
1,500.00
-
1,800.00
1 Piece
(MOQ)
Finely Processed Reliable Performance Automatic PVC UPVC Corner Cleaning Machine Plastic Door Window Process Machine Plastic Window Corner Cleaning Machine
US$
1,600.00
-
2,200.00
1 Piece
(MOQ)
Efficient Aluminum Window Corner Crimping Machine
US$
1,500.00
-
1,900.00
1 Piece
(MOQ)
1/4
Jinan Ranling Intelligent Equipment Technology Co., Ltd.
15 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
High Precision 3 Axis Professional CNC Aluminum Process Milling and Drilling Machine for Aluminum Profile Window Doors
US$
14,000.00
-
15,000.00
1 Piece
(MOQ)
4000mm CNC 4 Axis Machining Center Milling Drilling Four-Axis Process Machinery Aluminum Window Door Aluminum Profile Machine
US$
19,000.00
-
22,000.00
1 Piece
(MOQ)
CNC-350 Aluminium Profile End Milling Machine Windows Aluminum Window Door Process Machinery
US$
3,600.00
-
4,500.00
1 Piece
(MOQ)
New Automatic Insulating Glass Double Glass Sealing Robot Machine Can Process Triple Glass
US$
6,000.00
-
6,400.00
1 Piece
(MOQ)
1/4
Shantou Sinhosun international trade co., Ltd.
Send Inquiry
Automatic Window Patching Machine Corrugated Box Gluing Machine After Die Cutting Process for Window Box
US$
11,000.00
-
15,000.00
1 Piece
(MOQ)
Automatic Window Patching Machine Corrugated Box Gluing Machine After Die Cutting Process for Black with Irregular Shape Window Box
US$
11,000.00
-
15,000.00
1 Piece
(MOQ)
Eco-Friendly Kraft Paper Window Boxes Gluing Machine Cold Melt Hot Melt Gluing Machine for Diffident Materials Gluing Process
US$
11,000.00
-
15,000.00
1 Piece
(MOQ)
Automatic Window Patching Machine Corrugated Box Gluing Machine Box Gluing Machine After Die Cutting Process for Black with Gold Bow Window Box
US$
11,000.00
-
15,000.00
1 Piece
(MOQ)
1/4
Jinan YuSheng Machinery Co., Ltd.
Send Inquiry
High Precision PVC UPVC Window Process Machine PVC UPVC Single Head Double Head Welding Machine PVC Welding Machine for Windows and Doors
US$
1,650.00
-
9,500.00
1 Set
(MOQ)
Good Processed Single Head Seamless Welding Machine PVC Profile Seamless Welding Machine PVC UPVC Window Process Machine PVC Window Door Welding Machine
US$
1,650.00
-
9,500.00
1 Set
(MOQ)
PVC UPVC Single Head Welding Machine Plastic Window Process Machine PVC Welding Machine for Windows and Doors Processing
US$
1,650.00
-
9,500.00
1 Set
(MOQ)
Horizontal Glass Cleaning and Drying Machine Glass Washing Machine Insulating Glass Process Machinery
US$
2,800.00
-
3,500.00
1 Set
(MOQ)
1/4
BEIJING DAFEI WEIYE INDUSTRIAL & TRADING CO., LTD.
Send Inquiry
Automatic Hydraulic Machinery - Transforming Aluminium Window Corner Crimping Process
US$
1,000.00
-
4,000.00
1 Set
(MOQ)
Aluminum Cutting Machine 45 90 Degree Angle Cutter High Precision for Door and Window Pipe Process
US$
400.00
-
2,000.00
1 Set
(MOQ)
Aluminum Workshop Machinery Door Making Machine CNC Aluminum Machine Center Facade Process Machine for Doors and Windows
US$
5,000.00
-
30,000.00
1 Set
(MOQ)
Facade Process Machine CNC UPVC Screwing Machine
US$
3,000.00
-
12,000.00
1 Set
(MOQ)
1/4
Luoyang DISAI Mechanical Equipment Co., Ltd.
Send Inquiry
All-in-One Glass Cutting Machine with Complete Loading to Breaking Process for Architectural Glass, Solar Panels, Automotive Windows, and Furniture Applications
US$
26,900.00
-
28,900.00
1 SET
(MOQ)
All-in-One Glass Cutting Machine with Complete Loading to Breaking Process for Large Format Architectural Glass, Solar Panels, Automotive Windows, and Furniture
US$
33,900.00
-
35,900.00
1 SET
(MOQ)
CNC Semi-Automatic Tilting Glass Cutting Machine for Easy Manual Loading. Get Ds-Ict3826-J Now
US$
25,900.00
-
26,900.00
1 SET
(MOQ)
Automatic Glass Cutting Machine with Laser Engraving, Loading, Cutting & Breaking for Commercial Buildings, Residential Windows, Automotive Glass, and Furniture
US$
55,900.00
-
57,900.00
1 SET
(MOQ)
1/4
Shandong Zhonglin Cnc Machinery Co., Ltd
11 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
CNC System Milling and Drilling Machine for Window Door Profiles Process Hole with Milling Cutter
US$
4,500.00
-
5,000.00
1 Piece
(MOQ)
Accurate-Positioning CNC Process Hole Processing Machine for Factories
US$
4,500.00
-
5,000.00
1 Piece
(MOQ)
Smart-Cut CNC Process Hole Processing Machine Accurate-Positioning Stable Efficient
US$
4,500.00
-
5,000.00
1 Piece
(MOQ)
Rapid-Cutting CNC Process Hole Processing Machine Accurate-Positioning Efficient
US$
4,500.00
-
5,000.00
1 Piece
(MOQ)
1/4
Jinan Boke Glass Machine Co., Ltd.
Send Inquiry
3600*2500mm Window Glass Insulating Glass Process Machinery
US$
45,800.00
-
90,000.00
1 Set
(MOQ)
Manual Aluminum Frame Window Butyl Coating Machine
US$
4,800.00
-
6,500.00
1 Set
(MOQ)
Insulating Glass Production Line with Argon Gas Filling Function Online Igu Making Machine Window and Door Machine for Double Glazing Glass Processing
US$
45,800.00
-
108,200.00
1 Set
(MOQ)
Vertical Glass Washing Machine for Float Flat Glass Washing and Drying in Window and Door Glass Making for Igu Insulating Glass Double Glazing Glass Production
US$
10,800.00
-
60,000.00
1 Set
(MOQ)
1/4
Jinan Igm International Co., Ltd.
Send Inquiry
Automatic CNC Dual Drive Dual Process PVC Window Screw Fastening Drilling Machine
US$
10,290.00
-
13,200.00
1 Piece
(MOQ)
1200 mm CNC Aluminium Window Machinery for Milling and Drilling Holes
US$
3,500.00
-
6,100.00
1 Piece
(MOQ)
CE ISO 2000mm Aluminum Window Door CNC Milling Machine Price
US$
6,500.00
-
8,000.00
1 Piece
(MOQ)
Double Column Aluminum Window Punching Machine of Stamping Holes
US$
1,900.00
-
2,200.00
1 Piece
(MOQ)
1/4
Jinan DETEK Machine Co., Ltd.
10 yrs
Send Inquiry
Double Glazing Glass Process Machinery for Windows& Doors Production
US$
40,000.00
1 Piece
(MOQ)
Double Glazing Glass Production Line for Windows and Doors Process
US$
40,000.00
1 Piece
(MOQ)
Automatic Blinds System Machine for Blinds Inside Insulating Glass Machine Production 10%off
US$
9,500.00
-
12,000.00
1 Piece
(MOQ)
Automatic Hollow Shutter Rolling Machine for Hollow Louver Glass Production Fabricator
US$
9,500.00
-
12,000.00
1 Piece
(MOQ)
1/4
LEVER IMP & EXP CO., LIMITED
Send Inquiry
Various Sizes for Bent Glass Tempering Oven Machine Process Tempered Glass for Doors & Windows Architectural Curtain Wall Shower Room and Home Appliances
US$
150,000.00
-
550,000.00
1 Set
(MOQ)
Flat & Curved Bending Glass Tempering Machine Furnace for Producing Tempering Window & Door Glass Process Made by Chinese Professional Manufacturer
US$
150,000.00
-
550,000.00
1 Set
(MOQ)
Double Curvature Car Window Glass Making Machine for Car Backlites Lever Automobile Back and Front Car Windshield Glass Tempering and Bending Furnace
US$
150,000.00
-
550,000.00
1 Set
(MOQ)
Automotive Car Sidelite Side Window Backlite Window Tempered Glass Making Machine with Double Direction Combination Type
US$
150,000.00
-
550,000.00
1 Set
(MOQ)
1/4
Zhangjiagang Deling Machinery Co, Ltd
9 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Deling Durable PVC Extruder Pelletizer Granulator Machine for Pelletizing Recycling Crushed Pipe Window Door Label Paper Soft & Hard Materials Process
US$
2,660.00
-
36,300.00
1 Set
(MOQ)
Deling Single Dual Screw PVC Door Window Home Appliance Casing Tray Granulation Machine Extruder Pelletizer Granulator for Simplified Plastic Recycling Process
US$
2,660.00
-
363,000.00
1 Set
(MOQ)
Automatic PVC Pelletizing Recycling Granulation Machine for Diverse Plastic Pipe Window Door Label Paper Particle Production Applications Extruder Granulator
US$
2,660.00
-
36,300.00
1 Set
(MOQ)
High Output Single Shaft Plastic Shredder Crusher Machine for Cardboard Box Household Appliances Circuit Boards Window Door Furniture etc. Materials
US$
8,000.00
-
85,000.00
1 sets
(MOQ)
1/4
Shandong Maichen CNC Machinery Co., Ltd.
Send Inquiry
Press Machine for Aluminum Door/Window Hardware, Pneumatic Control & Multi - Process Stamping
US$
850.00
-
950.00
1 Piece
(MOQ)
High-Efficiency Screw Drilling Machine - Quick Nail Discharge, Automatic Nailing for PVC/Steel Linerfixing
US$
2,600.00
-
2,800.00
1 Set
(MOQ)
Precision Press Machine for Aluminum Profile with Replaceable Dies (Door/Window Hardware Stamping)
US$
850.00
-
950.00
1 Set
(MOQ)
Press Machine for Aluminum Profile, Four-Station Pneumatic Stamping for Door/Window Hardware Holes
US$
1,800.00
-
2,200.00
1 Piece
(MOQ)
1/4
Shandong WEIKE CNC Machinery Co., Ltd.
Send Inquiry
7000mm CNC 4 Axis Machining Center Milling Drilling Four-Axis Process Machinery Aluminum Window Door Aluminum Profile Machine
US$
55,000.00
-
63,800.00
1 Set
(MOQ)
Aluminum Profile Double Head Drilling and Milling Machine CNC Window and Door Drilling Milling Machine
US$
8,850.00
-
10,850.00
1 set
(MOQ)
Double Head CNC Drilling Milling Machine Aluminum Window Door Machine
US$
10,500.00
-
12,500.00
1 Set
(MOQ)
Alumimnum Window and Door 4 Axis Machining Center Drilling and Milling Machine for Aluminum Profile
US$
45,500.00
-
57,500.00
1 set
(MOQ)
1/4
SHANDONG CHENGJIANG CNC TECHNOLOGY CO., LTD
Send Inquiry
Aluminum Door and Window Hinge Drilling Machine That Can Process 10 Holes at The Same Time
US$
2,500.00
-
3,500.00
1 Piece
(MOQ)
Plastic Door and Window Four-Seat Welding Machine High-Efficiency Intelligent PVC Door and Window Welding Machine
US$
5,000.00
-
5,800.00
1 Piece
(MOQ)
Aluminum Profile Hydraulic Six Seat Press Reliable Window Making Machine
US$
2,300.00
-
3,000.00
1 Piece
(MOQ)
Aluminum Profile Six-Head Combination Drilling Machine Durable Window and Door Making Machine
US$
5,200.00
-
7,800.00
1 Piece
(MOQ)
1/4
Wuxi HEALU Purification Equipment Co., Ltd.
13 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Low-Temperature Sterilization Process Vhp Sterile Transfer Pass-Through Window Machine
US$
660.00
-
2,000.00
1 Piece
(MOQ)
Self-Cleaning Decontamination Pass-Through Transfer Window Purification Equipment Machine
US$
660.00
-
2,000.00
1 Piece
(MOQ)
Fully Automatic Sterilization Cycle Vhp Sterile Transfer Pass-Through Window Machine
US$
660.00
-
2,000.00
1 Piece
(MOQ)
Sterile Transfer Channel Machine for Efficient Cleanroom Equipment Operations
US$
660.00
-
2,000.00
1 Piece
(MOQ)
1/4
Foshan Lvbang CNC Equipment Co., LTD
8 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Robust Aluminum Window Machinery for Streamlined Fabrication Process
US$
8,000.00
3 Terrace
(MOQ)
Good Quality Window Machine with High Accuracy Auto Lubrication Single Zone
US$
9,000.00
-
20,000.00
1 tower
(MOQ)
Heavy-Duty Aluminum Extrusion Machinery for Precision Window and Door Making
US$
8,000.00
3 Terrace
(MOQ)
Aluminum Door and Window Equipment, Window Making Machine End Milling Machine
US$
3,200.00
-
3,500.00
1 Terrace
(MOQ)
1/4
Jinan Senke CNC Machine Co., Ltd.
14 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Professional Industrial Semi Fully Automatic Laminated Insulated Round Window and Door Glass Cutting Process Machine
US$
4,190.00
-
4,390.00
1 set
(MOQ)
Large Foam Mold Styrofoam Engraving Machine Mall Decoration Animation Sculpture Plane Three-Dimensional CNC Engraving Machine Cutting Machine
US$
4,890.00
-
5,790.00
1 set
(MOQ)
Glass Automatic Polishing Grinding Drilling Milling Machine for Shaped Glass
US$
12,300.00
-
15,300.00
1 set
(MOQ)
R450 R800 Sphercial Deep Curvature Convex Glass Mirror Cutting Machine
US$
5,400.00
-
6,500.00
1 Piece
(MOQ)
1/4
Jinan Smatech Machinery Enterprise Co.,Ltd
Send Inquiry
Industrial Aluminium Window Corner Connector Crimping Machine for Fabrication Process
US$
1,500.00
-
1,700.00
1 Piece
(MOQ)
New Automatic CNC Profiles Milling Machine Price Aluminum Drilling Milling Machine for Door and Window
US$
8,000.00
-
8,300.00
1 Piece
(MOQ)
Industry Machinery Hydraulic Pipe Bender Aluminum Profile Tube Pipe Bending Machine with High Precision
US$
7,800.00
1 Piece
(MOQ)
CNC Double Head Mitre Aluminum Profile and PVC Windows Doors Cutting Machine
US$
5,000.00
-
6,300.00
1 Piece
(MOQ)
1/4
Zhangjiagang City Qiangsheng Plastic Machinery Co., Ltd.
Send Inquiry
PVC UPVC Aluminum Core 4 Inch Faux Wood Plantation Window Shutters Blinds Arts Louver Process Extrusion Making Machine
US$
25,000.00
-
38,000.00
1 Set
(MOQ)
Plastic PVC Windowsill Profile Door Manufacturing Process Extruding Production Line Making Machine
US$
44,000.00
-
45,000.00
1 Set
(MOQ)
Refrigerator Door Gasket Strips PVC Soft Seal Making Machine Soft PVC Refrigerator Gasket Seal Process Machine
US$
13,000.00
-
15,000.00
1 Piece
(MOQ)
Manufacturer for UPVC PVC Window Door Profile Extrusion Line Manufacturing Process
US$
20,000.00
-
45,000.00
1 Set
(MOQ)
1/4
Zhengzhou Kovi Machinery Co., Ltd
5.0
Send Inquiry
Aluminum Cutting Machine 45 90 Degree Angle Cutter High Precision for Door and Window Pipe Process
US$
850.00
-
899.00
1 set
(MOQ)
Factory Direct Sheet Metal Angle Corner Notching Machine Round Square Pipe Punching Machine Price
US$
1,000.00
-
1,100.00
1 set
(MOQ)
Industrial Blind Stitch Heaming Machine Pinch Pleating Sewing Machine for Curtain Blinds Sewing Blinds Sewing Machine
US$
2,300.00
-
2,500.00
1 Set
(MOQ)
Windows and Door Corner Crimping Machine PVC Window Angle Welding Aluminium Machinery
US$
1,400.00
-
1,500.00
1 Set
(MOQ)
1/4
Shandong Apex Cnc Machinery Co., Ltd.
Send Inquiry
Automatic Steel Profile Pipe Bending Machine 20/25t Window Aluminum Process
US$
5,567.00
-
15,776.00
1 Piece
(MOQ)
Mini Automatic Vertical Bending Machine 20/25t 3 Axis Stainless Steel Profile Process
US$
7,800.00
-
10,999.00
1 Piece
(MOQ)
New Style Automatic Servo Electric Hydraulic CNC Bending Machine 20/25t 3axis Steel Profile Process
US$
5,567.00
-
15,776.00
1 Piece
(MOQ)
Quality Assurance CNC Hydraulic Bending Machine Steel Plate Bending Equipment for Aluminum Stainless Steel Quality Tool
US$
5,567.00
-
15,776.00
1 Piece
(MOQ)
1/4
Jinan Golden GH International Trading Co., Ltd.
Send Inquiry
Efficient Window Machine for High-Quality Lock Strips Production Process
US$
3,500.00
-
4,000.00
1 Set
(MOQ)
Bendable Machine for Hollow Glass Aluminum Spacer Bar
US$
15,000.00
1 Set
(MOQ)
Industrial Window Machine with Advanced Features for Lock Strips
US$
3,500.00
-
4,000.00
1 Set
(MOQ)
Robust Tempered Glass Machinery for Versatile Window Glass Production
US$
60,000.00
1 Set
(MOQ)
1/4
Shenzhen Shengxin Automation Equipment Co., Ltd.
13 yrs
·
Manufacturer/Factory
Send Inquiry
Automatic CNC Controlled 4 Color Glass Wine Bottle Label Trademark Silk Screen Printing Machine
US$
150,000.00
-
160,000.00
1 Piece
(MOQ)
Fully Automatic CNC Controlled 4 Color Universal Screen Printing Machine for Decoration of Cylindrical Containers
US$
150,000.00
-
160,000.00
1 Piece
(MOQ)
Automatic CNC Controlled 4 Color Glass Wine Bottle Screen Printer
US$
150,000.00
-
160,000.00
1 Piece
(MOQ)
CNC Controlled 4 Color Glass Wine Bottle Label Trademark Silk Screen Printing Machine
US$
150,000.00
-
160,000.00
1 Piece
(MOQ)
1/4
Dongguan Hoystar Machinery Co., Ltd.
12 yrs
·
5.0
·
Manufacturer/Factory
Send Inquiry
Automatic Screen Printing Machine for T-Shirts, Textiles, Fabric, Bag, Socks
US$
13,500.00
-
15,500.00
1 set
(MOQ)
Large Work Gloves Screen Printing Machine
US$
18,500.00
-
19,500.00
1 set
(MOQ)
Tilted-Arm Flat Bed Screen Printing Machine
US$
6,000.00
-
6,200.00
1 set
(MOQ)
2 Color T-Shirts Textiles Farbic Clothes Printing Machine
US$
6,100.00
-
6,500.00
1 set
(MOQ)
1/4
Xiamen Xinteyin Industry and Trade Co., Ltd.
4.8
Send Inquiry
Computer-Controlled Automatic Screen Printing Machine Screen Printing Machine
US$
1,150.00
1 Piece
(MOQ)
Metal Industry Signage Screen Printing Machine Screen Printing Machine
US$
1,150.00
1 Piece
(MOQ)
Four-Color Registration Screen Printing Machine for Precision Work Screen Printing Machine
US$
1,150.00
1 Piece
(MOQ)
Automatic Screen Stretching and Frame Making Machine Screen Printing Machine
US$
1,150.00
1 Piece
(MOQ)
1/4
Guangzhou Jiuhong Intelligent Equipment Co., Ltd.
Send Inquiry
Full Servo 3 Color Rotary Screen Printing Machine
Negotiable
1 Piece
(MOQ)
Round Bottle Automatic Screen Printing Machine
Negotiable
1 Piece
(MOQ)
Nail Polish Bottle Printing Machine/Screen Printing Machine
Negotiable
1 Piece
(MOQ)
2 Color Rotary Screen Printing Machine for Glass Bottle Plastic Container
Negotiable
1 Piece
(MOQ)
1/4
Wenzhou Changs International
22 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
12 Colors 18 Stations Yh Series T-Shirt/Garment/Clothes/Cermics/Glass/Wood/Sheet/Card Printer/Printing Machine for Sale with Good Quality
US$
25,000.00
-
45,000.00
1 Piece
(MOQ)
Full-Automatic Envelope Paper Bag Making Machine (ZF-388)
US$
10,000.00
-
30,000.00
1 Set
(MOQ)
Manual Textile Screen Printing Machine (SERIGRAPHY) (SPM Series)
US$
1,200.00
-
2,100.00
1 Set
(MOQ)
High-Precision Screen Printing Machine (SFB-A)
US$
5,000.00
-
20,000.00
1 Set
(MOQ)
1/4
Guangzhou Fun Vending Electronic Technology Co., Ltd.
Send Inquiry
New Product Efficient Production Process Full Automatic Cotton Candy Machine
US$
4,599.00
-
4,799.00
1 Piece
(MOQ)
Direct Sale New Product Efficient Production Process Fully Automatic Cotton Candy Machine
US$
4,699.00
-
4,999.00
1 Piece
(MOQ)
Direct Sale New Product Efficient Production Process Automatic Cotton Candy Vending Machine
US$
4,799.00
-
4,999.00
1 Piece
(MOQ)
New Product Direct Sale Efficient Production Process Precise Automatic Cotton Candy Machine
US$
4,699.00
-
5,299.00
1 Piece
(MOQ)
1/4
DONG GUAN DO HEARTS TECHNOLOGY CO.,LTD.
7 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Anti Slip Silicone Color Tape Logo Screen Printing Machine
US$
1,000.00
-
2,000.00
1 Piece
(MOQ)
Automatic Silicone Label 3D Printing Machine on Elastic Tape Ribbon
US$
25,000.00
1 Piece
(MOQ)
High Quality Trademark 3D Screen Printing Equipment on Textile Tape
US$
25,000.00
1 Piece
(MOQ)
China Factory Elastic Ribbons Silk Screen Printing Machine with Ce
US$
25,000.00
1 Piece
(MOQ)
1/4
1
168
Hot Products
Drying Machine
Liquid Packing Machine
Feeder Machine
Plastic Recycling Machine
Universal Milling Machine
Slimming Machine
Ink Printing Machine
Seed Machine
Related Manufacturers & Supplier
Butt Welding Machine Factories
China Window Factories
Metal Process Machine Factories
Plastic Process Machine Factories
Food Process Machine Manufacturers
Gluing Machine Manufacturers
Learning Machine Manufacturers
Stitch Sewing Machine Manufacturers