Home
Supplier Discovery
Construction & Decoration
Door Handle
Handle Factories & Companies
Filter
Category
Arts & Crafts
Construction & Decoration
Electrical & Electronics
Light Industry & Daily Use
Manufacturing & Processing Machinery
More
Management Certification
ISO9001:2008
ISO14001:2004
OHSAS18001:2007
Others
ISO9001:2015
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 handle
Technological Innovation
Reliable Supply Chains
Substantial Manufacturing Capabilities
handle
10,000+ factories verified
Zhaoqing Yuxinda Hardware Products Co., Ltd.
7 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
High Quality Door Hadrdware Stainless Steel H Shape Round Tube Pull Door Handle Glass Door Handle Glass Pull Handle Composite Door Handle Shopfronts Door Hand
US$
8.00
-
10.00
100 Pieces
(MOQ)
316 Stainless Steel Crescent Style Back-to-Back Curved Pull Handle for Main Door Wooden Door
US$
14.70
-
15.00
100 Pieces
(MOQ)
Modern H Shape Offset Stainless Steel Wood Glass Door Pull Handle for Main Door
US$
7.90
-
10.00
100 Pieces
(MOQ)
Modern Stainless Steel Back-to-Back Long Door Handle Square Bar Pull Handle for Wooden Door / Entry Door
US$
18.00
-
20.00
50 Pieces
(MOQ)
1/4
Dongguan Zhengchen Hardware Co., Ltd.
5.0
Send Inquiry
Advanced Manufacturing Industrial Weld Round Bar U-Handle for Equipment Door - High-Strength Steel Construction with Precision Welding Technology for Industrial
US$
0.10
-
0.50
100 Pieces
(MOQ)
Zcrs-20 Wide Bore Clearance Industrial Style Classic Handle Other Fasteners
US$
1.25
-
1.55
100 Pieces
(MOQ)
Cheap Price Uwuasp102 Folding Handles with Spring in Stock
US$
0.50
-
1.50
100 Pieces
(MOQ)
Standard Lengths Round Bar Pull Handles Uwan Uwank Uwans
US$
1.60
100 Pieces
(MOQ)
1/4
Dongguan Yixun Industrial Co., Ltd.
Send Inquiry
Gas Assisted Injection Molding Plastic Handle for Spinning/Body Rpm/in-Door Cycling/Spin Bike
US$
0.01
-
2,500.00
1 Set
(MOQ)
Ergonomic Medical Device Handle – ISO 13485 Certified, FDA Approved Custom Designed for Enhanced Grip and Comfort
US$
0.01
-
2,500.00
1 Set
(MOQ)
Custom Plastic Injection Molded Handle for Medical Equipment Too-Making Plastic Injection Molding for Medical Parts and Medical Apparatus Components
US$
4,500.00
1 Set
(MOQ)
Custom Medical Injection Molding for Housings, Casings, and Enclosures for Sophisticated Medical Gadgets Mould Factory Gas Assist Injection Moulding Handles
US$
4,500.00
1 Set
(MOQ)
1/4
Huangyan Xinqian Yingjia Metal Product Factory
5.0
Send Inquiry
Truck Trailer Steel Core Black Plastic Rubber Handle
US$
2.00
100 pieces
(MOQ)
Mill Finish Aluminum Cargo Trailer RV Gate Ramp Door Grab Handle
US$
4.00
-
5.00
100 pieces
(MOQ)
Spring Heavy Duty Stainless Steel Flip Handle
US$
2.40
-
2.50
100 Pieces
(MOQ)
Replacement Zinc Plated Handle for Truck Tarpaulin Door
US$
0.60
-
1.00
1,000 Pieces
(MOQ)
1/4
Nanjing Liangyue Packaging Products Co., Ltd.
17 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Industrial Equipment Mild Steel Flight Case Handle for Toolbox
US$
0.95
-
1.10
1,000 Pieces
(MOQ)
Durable Metal Handles for Flight Cases and Tool Storage
US$
1.15
-
1.23
1,000 Pieces
(MOQ)
Aluminum Spring Loaded Handle with Black Plastic Flight Case Handle
US$
0.88
-
0.95
1,000 Pieces
(MOQ)
Heavy-Duty Flight Case Handle for Reliable Transportation Needs
US$
0.88
-
0.95
1,000 Pieces
(MOQ)
1/4
Zhongshan Yongxiang Hardware Co., Ltd.
5 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
High Quality Zinc Alloy Round Handle for Cabinet Door Drawer
US$
0.04
-
0.50
5,000 Pieces
(MOQ)
Golden T-Handle Alloy Hardware for Furniture Cabinet Door
US$
0.04
-
0.50
5,000 Pieces
(MOQ)
Elegant Golden Oval Drawer Handles Two Hole Installation for Wardrobe Cabinet
US$
0.04
-
0.50
5,000 Pieces
(MOQ)
Modern Stainless Steel T Handle Pulls for Stylish Cabinets
US$
0.001
-
0.25
10,000 Pieces
(MOQ)
1/4
Chaozhou Chaoan District Jinshi Town Qiusheng Hardware Products Factory
16 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Modern Minimalist Glass Door Round Pipestainless Steel H-Shaped Glass Door Handle
US$
1.20
-
10.00
1 Piece
(MOQ)
Thickened Glass Door Push-Pull Stainless Steel Round Tube Door Handle
US$
1.20
-
9.00
1 Piece
(MOQ)
Square Stainless Steel Push-Pull Thickened Glass Door Door Handle
US$
1.20
-
11.00
1 Piece
(MOQ)
Thickened Glass Door Stainless Steel Adjustable Hole Pitch Door Handle
US$
3.50
-
10.00
1 Piece
(MOQ)
1/4
Wenzhou Wellway Hardware Co., Ltd.
16 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Customized Modern Tea-Gold Brushed Zinc Alloy Lever Door Handle with Smooth Edges for Interior Bedroom/Bathroom Wooden Doors at Chinese Factory Price OEM/ODM
US$
4.40
-
5.50
300 Pairs
(MOQ)
OEM/ODM Modern Straight Line Tea-Gold Brushed Zinc Alloy Lever Door Handle for Interior Wooden Doors From Factory Outlet with Customization
US$
4.40
-
5.50
300 Pieces
(MOQ)
Factory Premium Zinc Alloy Brushed Champagne Gold Lever Door Handle on Square Rosette
US$
5.30
-
5.50
300 Pieces
(MOQ)
Chinese Factory Luxury Satin Flat Design Tea-Gold Brushed Zinc Alloy Lever Door Handle on Square Rosette for Interior Wooden Door Handle OEM/ODM
US$
4.40
-
5.50
300 Pairs
(MOQ)
1/4
Zhejiang Anyi Construction Hardware Co., Ltd.
11 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Vaisite 2022 Newest Popular Europe Style Modern Zamak Lever Handle on Rosette for Security Door
US$
13.40
-
15.30
500 Sets
(MOQ)
A6-290 Vaisite Brand New Customized Decorative Zinc Alloy Lever Handle on Rosette for Room Door
US$
12.97
-
14.90
500 Sets
(MOQ)
2022 Newest Popular Simple Design Modern Zinc Alloy Front Door Lever Handle on Rosette
US$
17.10
-
17.50
500 Sets
(MOQ)
A3-226 Vaisite Brand New Customized Decorative Zinc Alloy Bedroom Door Lever Handle on Rosette
US$
15.08
-
20.00
500 Sets
(MOQ)
1/4
Wenzhou Oukali Hardware Co., Ltd.
9 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Oukali Chinese Modern Furniture Cabinet K-Gold Zinc Drawer Knobs Handle
US$
1.00
-
1.08
500 pieces
(MOQ)
Golden Aluminum Alloy Wardrobe Drawer Handle
US$
0.35
1 Piece
(MOQ)
High-Grade Zinc Alloy Drawer Chest Door Handle
US$
0.80
-
1.30
500 Pieces
(MOQ)
Semicircle Furniture Hardware Bedroom Kitchen Cabinet Wardrobe Door Handle
US$
0.35
-
0.50
1,000 Pieces
(MOQ)
1/4
Wenzhou Ruiji Hardware Products Co., Ltd.
21 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Electronic Smart Lock Handle Two Part Removable Piece Cover Door Lock Tt Tuya APP Fingerprint Door Handle (STS006)
US$
30.00
-
50.00
100 Sets
(MOQ)
Rose Gold Solid Wood Door Hardware Indoor Pull Handle Lock Zinc Alloy Door Handle (Z6267-ZR25)
US$
3.00
-
10.00
500 Sets
(MOQ)
MSN Zinc Handle Building Hardware Stem-Like Interior Door Lock Lever Handles on Round Rose (Z6296-ZR33)
US$
2.50
-
9.00
500 Sets
(MOQ)
Ecological Lock Series Matt Satin Nickel Color Zinc Alloy Door Lock Handle (STS011)
US$
13.50
-
15.00
300 Sets
(MOQ)
1/4
Zhejiang Zhangshi Hardware Co., Ltd
13 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Koppalive Modern Luxury Solid Brass Furniture Cupboard Drawer Pull Knob Brushed Gold Kitchen Cabinet Door Handle
US$
1.32
-
9.79
100 Pieces
(MOQ)
Koppalive Solid Brass Furniture Hardware Drawer Pull Linear Fluted Straight Stripe Brushed Gold Kitchen Cabinet Handle for Cupboard
US$
2.09
100 Pieces
(MOQ)
Koppalive Custom Modern Interior Privacy Lever Door Lock and Handles Set Designer Luxury Passage Dummy Brass Door Handle for Bedroom & Bathroom
US$
40.00
-
50.00
10 Sets
(MOQ)
Koppalive Italian OEM Brushed Brass Stripe Luxury Door Handle Lock Set Satin Copper Round Privacy Passage Dummy Door Lever Handle for Interior Door
US$
40.00
-
45.00
10 Sets
(MOQ)
1/4
WENZHOU HAONA HARDWARE CO.,LTD
15 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Modern Design Zinc Alloy Bathroom Door Hardware Split Type Interior Pull Lever Door Handle
US$
7.10
-
7.20
500 Sets
(MOQ)
Bedroom Silent Zinc Alloy Door Accessories Indoor Door Handle on Rose for House
US$
7.10
-
7.20
500 Sets
(MOQ)
Best Selling Bronze Basic Customization Aluminum Alloy Round Rosette Door Handles
US$
3.50
1,000 Sets
(MOQ)
New Door Locks Hardware Split Type Aluminum Zinc Alloy Bathroom Lever Handle on Rose
US$
7.80
-
7.90
500 Pieces
(MOQ)
1/4
Wenzhou Haoguan Lock Technology Co., Ltd
9 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Matt Black Keyed Entry Combo Deadbolt Lever Door Handle Durable Privacy Door Lock Entrance
US$
5.00
-
10.00
500 Sets
(MOQ)
6082 Sn Knob Door Lock Beautiful and Good Quality Door Lock Interior Door Handle Lock Stainless Steel Cylindrical Tubular Lever Door Handle
US$
5.00
-
10.00
500 Sets
(MOQ)
Minimalist Design Silver Door Knob Standard Interior Passage and Privacy Access Bathroom Handle Set for Bedrooms Steel Door Accessories Hardware Pull Handle
US$
3.90
-
10.00
1 Set
(MOQ)
Door Accessories Hardwar Cheap Luxury Modern Style Bedroom Door Lock Metal Lever Handles Furniture Aluminium Alloy Door Handle for Interior Doors Plastic Handle
US$
2.00
500 Sets
(MOQ)
1/4
Wenzhou Liwang Hardware Technology Co., Ltd.
6 yrs
·
4.9
·
Manufacturer/Factory & Trading Company
Send Inquiry
Factory Price New Design Contemporary Zinc Alloy Thick Door Lock Handle Mortise Silent Door Handle for House
US$
23.30
-
25.00
1 Piece
(MOQ)
Zinc Alloy Door Hardware Lock Handle on Rosettes for Doors (SN-3) 5% off
US$
3.00
-
5.00
100 Pieces
(MOQ)
Zinc Alloy Heavy Duty Thumb Door Lever Handle with Plate (Kry-052)
US$
17.00
-
20.00
100 Pieces
(MOQ)
Wear-Resistant Alumina Door Lock Indoor Cylinder Security Long Plate Door Handle
US$
6.00
-
15.00
300 Pieces
(MOQ)
1/4
Guangdong Runo Hardware Technology Co., Ltd
17 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Aluminum Alloy Window Handle Decor Style Casement Window Handles
US$
2.50
-
3.30
100 Pieces
(MOQ)
Aluminum Alloy Personalized Window Handles Waterproof Window Handles
US$
2.50
-
3.30
100 Pieces
(MOQ)
Door Handle Aluminum Window Handle Lock Handle
US$
2.50
-
3.30
100 Pieces
(MOQ)
Patio Door Handle Set with Mortise Latch Lock for Sliding Glass Door
US$
2.00
-
2.80
100 Pieces
(MOQ)
1/4
ZHAO QING ALLY HARDWARE CO., LIMITED
Send Inquiry
Multi Point Door Handle Sliding Aluminium Casement Window Handle
US$
1.30
-
8.80
3,000 Pieces
(MOQ)
Factory Single or Double Side Stainless Steel Sliding Stainless Steel Glass Door Handle
US$
3.60
-
19.90
100 pair
(MOQ)
Door Hardware Door Handle Lock Aluminum Door Lock Aluminum Door Handle
US$
0.99
-
3.80
5,000 Pairs
(MOQ)
Glass Door Accessory Square Stainless Steel Pull Handle Back to Back Door Handle
US$
4.49
-
29.90
100 Pairs
(MOQ)
1/4
Dazhonghua (Guangdong) Metal Technology Co., Ltd.
6 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Die Cast Aluminum Handle CNC Polished Edges for Commercial Doors
US$
7.99
-
11.99
300 Sets
(MOQ)
Solid Die Cast Aluminum Handle Matte Black for Interior Glass Door
US$
7.99
-
11.99
300 Sets
(MOQ)
Precision Cut Aluminum Door Handle for Office and Home Doors
US$
7.99
-
11.99
300 Sets
(MOQ)
CNC Design Aluminum Pull Handle for Sliding Glass Partition Door
US$
7.99
-
11.99
300 Sets
(MOQ)
1/4
Ningbo Huazhu Precision Machinery Co., Ltd.
11 yrs
·
Manufacturer/Factory
Send Inquiry
Bathroom Fitting Zinc Alloy Zamak Chrome Faucet Handle
US$
0.80
-
0.90
500 Pieces
(MOQ)
Customizable Door Handles Suitable for Bedroom Bathroom and Cabinet
US$
0.60
-
0.80
1,000 Pieces
(MOQ)
Customize Zinc Alloy Door Handle Chrome Nickel Gold Plating Zamak Cabinet Handle Furniture Pull
US$
0.55
-
0.70
500 Pieces
(MOQ)
Space Aluminum Handles Kitchen Door Cabinet Straight Handle Pull Knobs Furniture Hardware
US$
0.60
-
0.80
1,000 Pieces
(MOQ)
1/4
Zhaoqing Gaoyao Jiedeli Hardware Co., Ltd
12 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Flight Case Spring Loaded Handle Toolbox Cabinet Box Chest Pull Handle J211
US$
0.60
-
0.80
100 Pieces
(MOQ)
Modern Cabinet Furniture Hardware Metal Flight Case Handle Toolbox Handle J201A
US$
0.28
-
0.33
100 Pieces
(MOQ)
Multi-Functional Aluminum Spring Loaded Handle with Black Plastic Flight Case Handle J209
US$
0.77
-
0.84
100 Pieces
(MOQ)
304 Stainless Steel Spring Handle Prop Box Tool Aluminum Box Handle Activity Handle Folding Industrial Handle J210A
US$
0.70
-
0.80
100 Sets
(MOQ)
1/4
Goldtech Hardware Corporation Limited
5.0
Send Inquiry
Hotel Stainless Steel Tube H Type Glass Door Pull Handle
US$
6.90
-
11.80
100 Sets
(MOQ)
Glass Door Hardware Accessories Pull Handle
US$
6.33
-
6.38
300 Sets
(MOQ)
Stainless Steel Shower Hinge U-Shape Pull for Glass Door Handle
US$
15.55
-
18.70
100 Sets
(MOQ)
Premium SSS 304 Stainless Steel Shower Door Pull Handle Set
US$
0.85
-
1.88
100 Sets
(MOQ)
1/4
Gaoyao District Jinli Town Rongjunda Hardware Factory
9 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
New Design SUS304 Shower Glass Screen Pull Handle for Glass Door
US$
10.50
100 Sets
(MOQ)
New Design C Shape Polished External Glass Door Handle
US$
7.20
100 Sets
(MOQ)
Luxury Design C Shape Polished External Door Handle Gold
US$
5.60
-
8.20
100 Sets
(MOQ)
Factory Direct Wear-Resistant Heavy-Duty Anti-Corrosion Stainless Steel 304 Handle
US$
4.80
100 Pieces
(MOQ)
1/4
Zhaoqing Deweili Construction Hardware Co.,Ltd.
9 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
New-Designed Multi-Point Lock Fork Handle for Aluminium Casement Window Accessories Popular Window Door Building Hardware Handle
US$
0.20
-
0.90
500 Pieces
(MOQ)
New Design Made in China Door Window Handle Hardware Aluminum Casement Windows Accessories Lock Door Handle Factory Price
US$
0.20
-
0.90
500 Pieces
(MOQ)
Professional Production Multi-Points Aluminum Doors and Windows Pull Handle Hardware Accessories
US$
0.20
-
0.90
500 Pieces
(MOQ)
Modern Design Aluminium Alloy Black Customization Sliding Casement Windows Handle with 5 Year Warranty
US$
0.91
-
0.94
1,000 Pieces
(MOQ)
1/4
We House Hardware Product Co. Ltd
5.0
Send Inquiry
Door Handles Sets Luxury Modern Chrome Aluminum Stainless Steel Gold Black Entrance Pull Soor Handles
US$
3.00
-
15.00
20 Pieces
(MOQ)
High Security Interior Door-Handle Matt Black Wooden Door Handles for Home Villa
US$
1.00
-
6.00
20 Pieces
(MOQ)
High Quality Round Tubing Mitered Corner Back to Back Shower Glass Door Pull Handle
US$
3.99
-
9.99
20 Pairs
(MOQ)
Barn Door Hardware Sliding Door Handles Flush Pull Doorknobs Finger Pull Door Handle
US$
3.80
-
7.70
20 Pieces
(MOQ)
1/4
Zhaoqing Keyi Metal Manufacturing Co., Ltd.
5.0
Send Inquiry
Sliding Door Flush Pull Handle Aluminum Alloy Handle
US$
0.38
-
0.45
3,000 Pieces
(MOQ)
Round Tube Stainless Steel Bathroom Glass Door Handle
US$
5.68
-
6.88
1,000 Pairs
(MOQ)
Window Hardware Aluminum Alloy Window Handle Flat Lock Handle
US$
0.45
-
0.55
3,000 Pieces
(MOQ)
Sliding Window Touch Lock Handles for Aluminum Door Handle
US$
0.70
-
2.00
1,000 Pieces
(MOQ)
1/4
Zhongshan Donghao Hardware Co., Ltd.
Send Inquiry
Modern Elegant Shower Handles for Stylish Glass Panel Installations
US$
6.00
1,000 Pieces
(MOQ)
Premium Quality Easy Installation Satin Finish Modern Design Shower Door Handles
US$
3.50
500 Pieces
(MOQ)
Premium Easy Clean Gold Handles for Shower and Glass Doors
US$
6.00
100 Pieces
(MOQ)
Premium Shower Door Handles - Stylish, Durable, and Easy to Install
US$
2.50
500 Pieces
(MOQ)
1/4
Zhaoqing kessy hardware co., ltd
6 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
High Quality Aluminium Alloy Window Handle
US$
0.55
-
0.65
1,000 Pieces
(MOQ)
Middle East Through Door Handle Aluminium Handle
US$
1.80
1,000 Pieces
(MOQ)
Door Handle Aluminium Alloy Lever Handle Die-Casting Plate
US$
1.65
-
2.00
1,000 PAIR
(MOQ)
Stainless Steel Offset Door Pull Handle V Type Glass Door Handle
US$
8.00
-
8.20
1,000 Pieces
(MOQ)
1/4
D&D Hardware Industrial Co., Ltd.
8 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
High Quality Stainless Steel Solid Exterior Interior Luxury Hardware Tube Cabinet Furniture Handle Glass Pull Modern Bedroom Lock Alloy Lever Black Door Handle
US$
2.60
-
5.60
200 Sets
(MOQ)
Stainless Steel Decorative Commercial Door Accessories Lock Back to Back Handle Bathroom Shower T Bar Tube Sliding Double Side Hardware Glass Door Pull Handle
US$
4.76
-
9.20
200 Pieces
(MOQ)
Stainless Steel Hardware Square Tube Pull Handle for Wooden Doors
US$
4.76
-
9.20
200 Sets
(MOQ)
Satin Finish Stainless Steel Office Door Hardware Mitred Pull Handle
US$
4.76
-
9.20
200 Sets
(MOQ)
1/4
Ningbo Yinzhou Chengen Machinery Co., Ltd.
12 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Marine Watertight Door Handles Hatch Cast SS304 Iron Door Handles
US$
32.00
-
33.00
20 Pieces
(MOQ)
Custom Grab Handle for Bus Subway Plastic Stainless Steel Advertising Handle
US$
12.00
-
13.00
100 Pieces
(MOQ)
Durable Flame Retardant TPU Handle for Buses and Subways
US$
7.60
-
8.00
100 Pieces
(MOQ)
Plastic Subway Handle Strap Metro Public Transit Grab Handle
US$
6.60
-
7.00
100 Pieces
(MOQ)
1/4
Guangdong Yijun Precision Technology Co., Ltd.
5.0
Send Inquiry
Deluxy Furniture Accessories Aluminum Wardrobe Handle
US$
0.18
-
0.20
5,000 Pieces
(MOQ)
Good Selling Furniture Hardware Hollow T Bar Shape Solid Stainless Steel Handles Cabinet Drawer Wire Handle for Bathroom Furniture, Livingroom Furniture
US$
0.45
-
0.79
500 Pieces
(MOQ)
Luxury Aluminum Alloy Handle Cabinet Door Cabinet Drawer Wardrobe French Style Door Handle Furniture Hardware Manufacturer Direct Sales
US$
0.55
-
0.70
5,000 Pieces
(MOQ)
Chrome Cabinet Handles Interior Pull Set and Drawer Furniture Kitchen Knob Handles
US$
0.23
-
0.33
3,000 Pieces
(MOQ)
1/4
1
341
Hot Products
Hand Tool
Furniture Hardware
Door Hardware
Door Lock
Handle Lock
Stainless Steel Handle
Wooden Handle
Door Locks
Related Manufacturers & Supplier
Door Handle Factories
Safe Lock Factories
Brass Handle Factories
Aluminum Handle Factories
Aluminium Handle Manufacturers
Door Pull Manufacturers
Door Hinge Manufacturers
Hardware Manufacturers