Home
Supplier Discovery
Arts & Crafts
Ring
Top Ring 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
Gansu
More
about top ring
Technological Innovation
Reliable Supply Chains
Substantial Manufacturing Capabilities
top ring
7,000+ factories verified
Shenzhen Yangsheng Technology Co., Ltd.
Send Inquiry
Top Sale Bt Heart Rate Blood Pressure Blood Oxygen Body Temperature Hrv Step Counting Medical Grade Mens Smart Ring
US$
1.00
-
65.70
100 Pieces
(MOQ)
Top Sale Bt Heart Rate Blood Pressure Blood Oxygen Body Temperature Hrv Step Counting Smart Ring for Womenwith Touch Function
US$
1.00
-
17.50
100 Pieces
(MOQ)
Top Sale Bt Call Music Full Touch Screen Blood Oxygen Smart Ring
US$
1.00
-
35.00
100 Pieces
(MOQ)
Top Sale Health Monitoring IP69 Waterproof Smart Ring
US$
1.00
-
15.00
1 Piece
(MOQ)
1/4
Ningbo Yinzhou Sokun Import and Export Co., Ltd.
16 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Top-Grade Snap Rings DIN 9045 High-Quality and Precision Design
US$
0.01
-
0.03
10 Pieces
(MOQ)
Top-Grade Round Wire Snap Rings for Piston Pins High-Quality
US$
0.01
-
0.03
10 Pieces
(MOQ)
Durable Snap Rings DIN 9045 Top-Grade and Reliable Performance
US$
0.01
-
0.03
10 Pieces
(MOQ)
Durable Round Wire Snap Rings for Piston Pins Top-Grade
US$
0.01
-
0.03
10 Pieces
(MOQ)
1/4
Dongguan Guanzhiniu Jewelry Co., Ltd.
9 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Fashion Titanium Ear Stud Push Pin Hammering 3 Leaf Threadless Top Earring Nose Rings
US$
1.30
-
1.42
50 Pieces
(MOQ)
Fashionable Titanium Internally Threaded Bezel Set CZ Top with Oval CZ Center Flower Belly Ring
US$
3.21
-
4.04
10 Pieces
(MOQ)
Newest Labret Top Titanium Body Jewelry CZ 16g Lip Double Round CZ and Square CZ Center Earring Nose Ring
US$
1.52
-
1.73
100 Pieces
(MOQ)
Ice Cream Jewelry Helix Earring Titanium 16g Internally Threaded Lip Ring Labret Top
US$
1.22
-
1.42
50 Pieces
(MOQ)
1/4
Dongguan Jiang Titanium Jewelry Co., LTD
5 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Wholesale ASTM F136 Titanium 16g Internal Threaded Top Star Heart CZ Labret Ring Stud
US$
0.78
-
1.63
20 Pieces
(MOQ)
Fashion Titanium Ear Lip Ring CNC Set Heart Opal Stone Internally Threaded Top Nose Rings Jewelry
US$
1.43
-
1.72
20 Pieces
(MOQ)
Labret Titanium CNC Set Horse Eyes CZ and Tear Drop CZ Combined Helix 16g Internally Threaded Lip Ring Top Jewelry
US$
0.53
-
0.64
20 Pieces
(MOQ)
Implant Titanium 14G Internally Threaded Bezel Set CZ Top Opal Flower Shape Belly Navel Ring Belly Button Ring
US$
4.12
-
4.94
20 Pieces
(MOQ)
1/4
GUANGZHOU ARTS JEWELLERY CO., LTD.
16 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Simple Zodiac Freshwater Pearl 925 Sterling Silver Top Open Ring
US$
4.89
-
12.99
30 Pieces
(MOQ)
925 Sterling Silver Vintage Eye Top Open Ring
US$
7.49
-
10.56
30 Pieces
(MOQ)
Simple Double Bread Pearl 925 Sterling Silver Top Open Ring
US$
6.09
-
11.59
30 Pieces
(MOQ)
Top Selling Lady′ S 925 Sterling Silver Enamel Heart Ring
US$
4.30
-
4.80
30 Pieces
(MOQ)
1/4
Tianjin Yiyun Rigging Co., Ltd.
24 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Top Tool-Free Lock Swivel Ring 42CrMo Space-Optimized 60+ Countries
US$
0.99
1 Piece
(MOQ)
Top Swivel Hoist Ring Manufacturer in China OEM/ODM 7-Day Delivery MOQ 1
US$
13.05
1 Piece
(MOQ)
Top Swivel Ring Factory 23-Yr CE/CCS/ISO 42CrMo 3 Days Ready to Ship
US$
6.90
1 Piece
(MOQ)
Top Swivel Lifting Ring Factory Automated Production Line 7-Days Delivery Quality Guarantee
US$
68.00
50 Pieces
(MOQ)
1/4
Carer Medical Equipment Co., Ltd
Send Inquiry
Top Selling Fitness Products 2023 Health Wearables Smart Ring Fitness Tracker with 4G for Android
US$
61.00
-
84.00
2 Pieces
(MOQ)
Top Selling Products 2023 Smart Ring Lightweight Health Tracking Ring Mens Black Ring
US$
61.00
-
84.00
2 Pieces
(MOQ)
Top Selling Products 2023 Heart Rate Oximeter Digital Tech Ring Sleep Health Smart Monitor
US$
61.00
-
84.00
2 Pieces
(MOQ)
Top Fitness Products 2023 Electric Finger Ring Smart High Quality Fitness Accessory NFC Gadgets Smart Ring with Touch for Boys
US$
61.00
-
84.00
2 Pieces
(MOQ)
1/4
Xingtai Shuoxi Trading Co., Ltd
Send Inquiry
Factory China Top Factory Directly High Quality Oil Resistance Rubber Fvmq O-Ring for Mechanical and Electrical Industry
US$
0.02
-
0.05
500 Pieces
(MOQ)
Top Sale Environmental Material Rubber Non-Toxic Silicone Product O-Ring Seal for Excellent Quality Household Appliances
US$
0.02
-
0.05
500 Pieces
(MOQ)
Top Sale High-Pressure Oil Resistance Material Rubber NBR Product O-Ring Seal for Excellent Quality
US$
0.02
-
0.05
500 Pieces
(MOQ)
Top Sales Custom Molded Medical Food Grade Silicone O-Ring Manufacturers Silicone Rubber O-Rings
US$
0.02
-
0.05
500 Pieces
(MOQ)
1/4
Wuzhou Provence Jewelry Co., Ltd.
10 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Top Craftmanship Halfband Gold Vvs/Vs Round Brillant Cut for Men Wedding Ring
US$
948.00
-
2,816.00
1 Piece
(MOQ)
Top Craftmanship Chunky Gold Ring 14K Yellow Gold Ring for Wedding
US$
871.00
-
1,091.00
1 Piece
(MOQ)
Top Craftmanship Luxury Customization Gra Certification Vvs High Quality Ring
US$
519.00
-
1,163.00
1 Piece
(MOQ)
Wholesale Price Top Craftmanship 14K Gold Yellow Ring Moissanite Diamond
US$
232.00
-
1,394.00
1 Piece
(MOQ)
1/4
Hubei Tuohang Power Technology Co., Ltd
Send Inquiry
Wholesale Diesel Engine Spare Parts L10 Top 38039613070384 3803350 3803555 Piston Ring at Factory Price
US$
1.00
-
10.00
1 Piece
(MOQ)
Wholesale Top 10 Kta19 Kta38 Kta50 Engine 3037537 O Ring Seal for Cummins in China
US$
0.10
-
0.15
1 Piece
(MOQ)
Top 10 Wholesale Spare Parts K19 Engine 145505 O Ring Seal in China
US$
0.05
-
0.20
1 Piece
(MOQ)
China Top Sale Nt855 Truck Diesel Engine Spare Parts Set 4089810 4309254 5633496 3803977 Piston Ring for Cummins
US$
1.00
-
9.90
1 Piece
(MOQ)
1/4
Suzhou Arisons New Material Co.,Ltd.
5.0
Send Inquiry
Top Grade Customized Waterproof Rubber O Ring for Pipes
US$
2.50
-
3.00
5,000 Meters
(MOQ)
EPDM Top Grade Custom Pipe Sealing Ring for Waterproof
US$
2.50
-
3.00
5,000 Meters
(MOQ)
Waterproof EPDM Top Grade Custom Pipe Sealing Ring
US$
2.50
-
3.00
5,000 Meters
(MOQ)
Low Price Manufacturer OEM Rubber Seal Ring for Window Seals Top Gasket
US$
1.50
-
3.00
500 Meters
(MOQ)
1/4
Shandong Rosenwell Petroleum Technology Co., Ltd.
9 yrs
Send Inquiry
Good Price Top Drive Spare 11SA 9SA 8SA 10SA #110103-500#114706-500#123292-2#30123290-Pk#114859#M11-1039-010 Retaining Ring Int for Canrig 1250AC
US$
300.00
-
500.00
2 Pieces
(MOQ)
Drilling Rig Spares Part No. #30155438#30123290-Pk#110103-500#30123289#56529-10-8-S Connector: O-Ring Boss 37 Deg for Varco 11SA Top Drive Spares
US$
5.00
-
20.00
1 Piece
(MOQ)
Varco Top Drive Spares Parts 11SA 9SA 8SA 10SA#110103-500#114706-500#114859#99498-2#30123290-Pk#30123289#M11-1022-010 Internal Retaining Ring for Drilling Rig
US$
50.00
-
100.00
2 Pieces
(MOQ)
Varco 9SA/11SA #30155438#30123290-Pk#110103-500#30123289#56519-16-12s Elbow: O-Ring Boss/37 Degree for Top Drive Spares
US$
5.00
-
20.00
1 Piece
(MOQ)
1/4
YU JING JEWELRY CO., LTD.
12 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Top Selling Supplier Simple Design Party Gift Fashion Rings Silver 925 CZ Zirconia Jewelry Chain Shape CZ for Women
US$
4.18
-
4.83
30 pc
(MOQ)
Top Selling 5A Fashion Women Jewelry Rings Round Shape CZ Zircon Engagement 925 Sterling Silver Wedding Rings
US$
4.13
-
4.72
30 pc
(MOQ)
Wholesale Luxury Engagement Top Selling CZ Zircon Jewelry Wedding Ring Rhodium Plated 925 Sterling Silver Open Rings for Women
US$
5.10
-
5.95
30 pc
(MOQ)
Top Quality Anniversary Jewelry 925 Sterling Silver Diamond Cut CZ Ring
US$
4.32
-
4.97
30 Piece
(MOQ)
1/4
Shenzhen Dreamit Tech Limited
4.0
Send Inquiry
Top Seller 2.4GHz USB Wireless Optical Mouse Mini 1000 Dpi Ergonomic Backlit Design Finger Rings for Gaming Laptops Desktops Vertical Style
US$
17.00
-
19.00
100 Pieces
(MOQ)
Top Seller Mini Wireless 2.4G Bluetooth High Quality Rechargeable Optical Tracking Smart Finger Ring
US$
17.00
-
19.00
100 Pieces
(MOQ)
Chinese Style Top Men Stainless Steel Dragon Relief Dragon Pattern Gold-Plated Ring
US$
1.50
-
1.80
50 Pieces
(MOQ)
Luxury Stainless Steel Cuban Chain Jewelry Bracelet 18K Gold Plated Fashion Jewelry Bangles for Women
US$
5.40
-
5.80
50 Pieces
(MOQ)
1/4
Mabery Jewelry Limited
13 yrs
·
Trading Company
Send Inquiry
Tantalum Ring with a Domed Top for a Classic Silhouette
US$
2.10
-
8.00
30 Pieces
(MOQ)
Ring with a Tiny Spinning Fidget Spinner Top
US$
2.00
-
8.00
30 Pieces
(MOQ)
Ring with a Tiny Functional Sundial on The Top
US$
2.50
-
8.00
50 Pieces
(MOQ)
Cyberpunk Neon Titanium Ring - Futuristic Urban Aesthetic
US$
2.10
-
8.00
30 Pieces
(MOQ)
1/4
DALIAN YINGYU CO., LIMITED
18 yrs
Send Inquiry
Cheap Colored Top Grade Silicone Rubber Seal O Ring
US$
0.01
-
2.00
1,000 Pieces
(MOQ)
20-30days for MOQ Customized Top Grade Custom Rubber O Ring for Sealing
US$
0.01
-
2.00
1,000 Pieces
(MOQ)
Top Food Grade Custom FKM Rubber O Ring for Sealing
US$
0.01
-
2.00
1,000 Pieces
(MOQ)
Waterproof Rubber O Ring for Thermos Flat Washers/Gaskets
US$
0.01
-
2.00
1,000 Pieces
(MOQ)
1/4
Jiangyin No.3 Rubber Manufacturer Co., Ltd.
42 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Top Sealing Rubber Silicone O Ring
US$
0.01
-
9.00
100 Pieces
(MOQ)
Top Grade Heat Resistance Silicone O Ring White
US$
0.01
-
9.00
50 Pieces
(MOQ)
Top Sealing Rubber Silicone/FKM O Ring with High Temperature
US$
0.024
-
0.27
50 Pieces
(MOQ)
Reasonable Price Manufacturer Stock Black Silicone Rubber O Ring
US$
0.01
-
9.00
100 Pieces
(MOQ)
1/4
Longyuan (Guangzhou) Industrial Development Co., Ltd.
5.0
Send Inquiry
Top Selling Style Animation Surrounding Naruto Stainless Steel Jewelry Titanium Steel Unisex Ring
US$
0.42
17 Pieces
(MOQ)
Top Selling Men Jewelry Brass Stone Fashion Ring
US$
1.55
-
1.90
20 Pieces
(MOQ)
Top Hand Accessories 585 Rose Gold Personality Ins Niche Premium Ring
US$
2.20
-
2.70
40 Pieces
(MOQ)
Women's Simulation Moissanite Three-Row Full Diamond Open Ring
US$
3.02
-
3.99
10 Pieces
(MOQ)
1/4
GOODLINESS JEWELLERY CO., LIMITED
1 yrs
·
5.0
·
Trading Company
Send Inquiry
Top-Seller Fashion S925 Silver Rings Fish Adjustable Ring for Women
US$
6.02
-
6.54
30 Pieces
(MOQ)
Top-Seller Oed/ODM S925 Silver Rings Multilayer Insert Zircon Engagement Ring
US$
9.52
-
10.58
30 Pieces
(MOQ)
2023 Top Selling New Enamel Rings Fashion Silver Jewellry
US$
4.95
-
5.50
30 Pieces
(MOQ)
Top-Seller S925 Silver Rings Crescent Moon Ring Jewelry for Women
US$
4.23
-
4.70
30 Pieces
(MOQ)
1/4
Guangzhou LM Jewelry Co., Ltd.
5.0
·
Trading Company
Send Inquiry
Manufacturer Custom High Quality Fashion Jewelry Top Ranking Stainless Steel 14K 18K Gold Plated No Fade Ring Supplier
US$
1.98
-
2.80
10 Pieces
(MOQ)
Custom Jewelry Manufacture Top Ranking Fashion jewellery Stainless Steel Gold Plated Smile Star Ring 18K Wholesale
US$
1.60
-
2.00
10 Pieces
(MOQ)
Manufacturer Custom Fashion Jewelry Wholesale Top Ranking 18K Gold Female Ring Jewelry Creative Tai Ji Bagua Ring Cute Flower Ring 18K
US$
1.60
-
2.00
10 Pieces
(MOQ)
Manufacturer Custom High Quality Fashion Jewelry Top Ranking Jewellery Trend Gold Ring Jewellery for Girls
US$
1.60
-
2.00
10 Pieces
(MOQ)
1/4
Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd
5.0
Send Inquiry
Top-Rated PVC Plastic Pall Ring 25mm - 5-Star Reviews From Industry Experts
US$
100.00
-
160.00
1 cubic meter
(MOQ)
Top-Rated UPVC Plastic Pall Ring 25mm
US$
100.00
-
160.00
1 cubic meter
(MOQ)
Industrial Chemical Tower Packing Ceramic Cross Partition Ring
US$
120.00
-
350.00
1 cubic meter
(MOQ)
Metallic Rasching Ring High Quality Metal Rasching Ring
US$
200.00
-
800.00
1 cubic meter
(MOQ)
1/4
Hangzhou Hua Guang Advanced Welding Materials Co., Ltd.
29 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Top Series Hua Guang Welding Brazing Silver Ring for Diverse Alloy Connetion
US$
617.10
-
627.10
20 kg
(MOQ)
Top Rated Hua Guang 15% Silver Brazing Ring for Pipeline Connection
US$
197.56
-
207.56
20 kg
(MOQ)
High-Quality Brazing Ring for Copper with ISO Certified Specifications
US$
37.66
-
40.06
20 kg
(MOQ)
Premium Copper Brazing Ring for High-Quality Welding Applications
US$
14.59
-
16.59
20 kg
(MOQ)
1/4
Qingdao Gemopia Jewelry Co., Ltd.
25 yrs
·
4.5
·
Manufacturer/Factory & Trading Company
Send Inquiry
Ring Solitaire and 6mm Light Point Wedding Ring, Both Studded on The Side and Top
US$
1.59
30 Pieces
(MOQ)
Ring Solitaire and 6 mm Light Point Wedding Ring, Both Studded on The Side and Top Silver
US$
1.59
30 Pieces
(MOQ)
Gem Mounting 14K 10K Gold Fashion Costume Jewelry Ring
US$
10.00
10 Pieces
(MOQ)
Factory Direct 14K Gold Lighter Weight Fashion Ring
US$
10.00
10 Pieces
(MOQ)
1/4
Zhongshan Sonier Pins Co., Ltd
11 yrs
·
4.9
·
Manufacturer/Factory & Trading Company
Send Inquiry
College Soccer Athlete Association Championship Ring Top Scorer Winner Keepsake
US$
3.89
-
4.03
100 Pieces
(MOQ)
Goal Scorer Championship Ring Soccer Top Scorer Winner Honor Souvenir
US$
3.89
-
4.03
100 Pieces
(MOQ)
Personalized PU Leather Keychain Tag Pendant Custom Logo Car Keychain
US$
0.43
-
0.58
200 Pieces
(MOQ)
Acrylic Refrigerator Magnets Custom Made Cartoon Cultural Magnetic Refrigerator Magnets
US$
0.75
-
0.80
200 Pieces
(MOQ)
1/4
Xingtai Xiangyue Rubber Products Co., Ltd.
9 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Top-Rated Premium Rings for Worldwide Distribution and Resale
US$
2.80
-
3.00
100 Pieces
(MOQ)
Haywood Dump Truck Front Top Cylinder Seal Repair Kit O-Ring
US$
35.00
-
80.00
10 Pieces
(MOQ)
Directly Sourced Qyd Cylinder Piston Rings for International Buyers
US$
0.01
-
1.01
10 Pieces
(MOQ)
Durable Customized Qyd Seal Ring for International Buyers
US$
0.01
-
2.01
10 Pieces
(MOQ)
1/4
Shenzhen ShineMe Jewelry Co., Ltd.
Send Inquiry
Matte Top and Polished Egdge Tungsten Jewelry Black Plating Tungsten Wedding Ring Tst2839
US$
3.00
-
4.00
20 Pieces
(MOQ)
ASTM F136 Titanium Bezel Set CZ Top and Heart CZ Stone Back Belly Button Rings Bl0486
US$
1.36
-
1.86
50 Pieces
(MOQ)
Piercing Jewelry ASTM F136 Titanium Push Pin Labrets Top Threadless Combine Earring Sm1329
US$
1.85
-
2.85
100 Pieces
(MOQ)
Implant Grade Titanium Threadless Push in Labret 4 Marquise Opal Top Sm0631
US$
2.90
-
3.90
100 Pieces
(MOQ)
1/4
NINGBO ROLLMAX SHUTTER COMPONENT CO., LTD.
14 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Very Cheap Roller Shutter Accessories Top Lock Ring
US$
1.00
-
3.00
1,000 Pieces
(MOQ)
Environment Friendly Doors/Windows Rolling Shutter Accessories Plastic Top Lock Ring
US$
1.00
-
3.00
1,000 Pieces
(MOQ)
Roller Shutter Components/ Rolling Shutter Accessories Plastic Ring Top Lock
US$
2.00
-
10.00
100 Pieces
(MOQ)
Rolling Shutter Accessories Top Lock and Ring
US$
2.00
-
10.00
100 Pieces
(MOQ)
1/4
Wenzhou Baogeli Sanitary Wares Co., Ltd.
12 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Countertops Towel Holder Hanging Stainless Steel Stand Fingertip Towel Ring
US$
5.90
-
6.90
300 Pieces
(MOQ)
Countertops Towel Holder Hanging Fingertip Stainless Steel Stand Towel Ring
US$
5.90
-
6.90
300 Pieces
(MOQ)
Factory Price Multifunction Double Towel Holder Kitchen Stainless Steel Towel Ring Stand
US$
5.90
-
6.90
300 Pieces
(MOQ)
Triangle Towel Holder Kitchen Gold Black Metal Towel Ring
US$
5.90
-
6.90
300 Pieces
(MOQ)
1/4
Shiyan Yilianda Industry And Trade Co., Ltd.
5.0
Send Inquiry
Machinery Engine Parts Piston Ring Top Ring 2168570 216-8570 for Caterpillar Engine C12
US$
7.50
-
8.50
6 Pieces
(MOQ)
Wholesale Diesel Engine Parts Piston Ring Top Ring 310-4188 306-4016 306-4104 for Caterpillar Engine C15
US$
7.50
-
8.50
6 Pieces
(MOQ)
Wholesale Diesel Engine Parts Cylinder Liner Piston Ring Top Ring L10 Piston Ring Set 380-3961 3803961 for Cummins
US$
9.20
-
10.00
6 Pieces
(MOQ)
Top Repair Mining Diesel Engine Parts 4955595 Qsx15 Engine Upper Gasket Kit 4955595 / 4352144 / 4955594
US$
106.00
-
123.00
1 Set
(MOQ)
1/4
Shandong Yacheng Petroleum Technology Co., Ltd.
10 yrs
·
Trading Company
Send Inquiry
Oilfield Drilling Tool Nov Varco Top Drive TDS Spares 11SA Seal Ring
US$
20.00
-
600,000.00
1 Piece
(MOQ)
TDS Top Drive Spare Partswashpipe Assembly Packing Spacers Nuts Rings and Wrench
US$
50.00
-
5,000.00
1 Piece
(MOQ)
a Pi Standard Varco TDS-11 Drilling Rig Direct Top Drive and Spare Parts
US$
58.00
-
4,800.00
1 Piece
(MOQ)
Top Drive Service (NOV VARCO, CANRIG, JH, BMP) of TDS Spare Parts
US$
58.00
-
4,800.00
1 Piece
(MOQ)
1/4
1
257
Hot Products
Three Ring
Four Ring
Ring Box
Ring Jewelry
Alloy Ring
New Design Ring
Custom Ring
New Ring
Related Manufacturers & Supplier
Ring For Jewelry Factories
China Ring Factories
Glass Top Ring Factories
Eyelet Ring Top Factories
Top Quality Fashion Silver Ring Manufacturers
Color Ring Manufacturers
Accessory Ring Manufacturers
Top Piece Manufacturers