Ring Unions Total 2,000+ manufacturers & suppliers found with 6,000+ products
Dongying Lake Petroleum Technology Co., Ltd.
Since 2021 Suppliers with verified business licenses
5.0
Audited Supplier
125
Plant Area
23
Number of Employees
Trading Company
Liner , Piston , Extension Rod , Pulsation Dampener , Valve Assy
OEM, ODM
Nil
-
US$ 5 / Piece1 Piece (MOQ) -
US$ 430 / Piece1 Piece (MOQ)
-
US$ 5 / Piece1 Piece (MOQ)
Ningbo VPC Pneumatic Co., Ltd.
Since 2015 Suppliers with verified business licenses
5.0
Audited Supplier2000+
Plant Area
155
Number of Employees
Manufacturer/Factory
, Trading Company
Pneumatic Cylinder , Solenoid Valve , Air Preparation Units , Electro-pneumatic Regulators , Vacuum Generator
ODM, OEM, Own Brand
ISO 9001
-
US$ 0.12 / Piece1 Piece (MOQ)
-
US$ 0.2 / Piece100 Pieces (MOQ)
-
US$ 0.1 / Piece100 Pieces (MOQ)
Zhejiang Tianyan Holding Co., Ltd.
Since 2013 Suppliers with verified business licenses
5.0
2000+
Plant Area
497
Number of Employees
Manufacturer/Factory
, Trading Company
Pipe; Pipe Fitting; Valve; Faucet
ODM, OEM, Own Brand
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, WRAP
-
US$ 100 / Box5 Boxes (MOQ)
-
US$ 0.34 / Box5 Boxes (MOQ)
-
US$ 0.03 / Box5 Boxes (MOQ)
Dongying Zhaoxin Industry and Trade Co, Ltd.
Since 2022 Suppliers with verified business licenses
5.0
2000+
Plant Area
61
Number of Employees
Manufacturer/Factory
, Trading Company
Oil Well Packer , Torque Anchor , Centralizer , Pup Joint
ODM, OEM
ISO9001:2015, ISO14001:2015, ISO45001:2016
-
US$ 20 / Piece20 Pieces (MOQ)
-
US$ 20 / Piece20 Pieces (MOQ)
-
US$ 20 / Piece20 Pieces (MOQ)
Jiangsu Daocheng Stainless Steel Pipe Co., Ltd.
Since 2023 Suppliers with verified business licenses
5.0
2000+
Plant Area
139
Number of Employees
Manufacturer/Factory
, Trading Company
Stainless Steel Pipe , Stainless Steel Pipe Fitting
Own Brand, ODM, OEM
Response Time≤3h
-
US$ 1.3 / Piece10 Pieces (MOQ)
-
US$ 1.3 / Piece10 Pieces (MOQ)
-
US$ 1.3 / Piece10 Pieces (MOQ)
Ningbo Hi-Tech Smart Machinery Co., Ltd.
Since 2010 Suppliers with verified business licenses
5.0
500
Plant Area
11
Number of Employees
Trading Company
Pneumatic Cylinder , Solenoid Valve , Air Treatment Unit , Pneumatic Accessories , Machinery Parts
OEM, ODM, Own Brand, Smartsolu
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
-
US$ 0.2 / Piece1 Piece (MOQ)
-
US$ 2.2 / Piece50 Pieces (MOQ)
-
US$ 0.1 / Piece500 Pieces (MOQ)
Sailuoke Fluid Equipment Inc.
Since 2021 Suppliers with verified business licenses
4.0
2000+
Plant Area
196
Number of Employees
Manufacturer/Factory
, Trading Company
Instrumentation Valves , Instrumentation Fittings , Instrumentation Tubing , High Purity Valves and Fittings , Ultra High Pressure Valves and Fittings
ODM, OEM, Own Brand
ISO9001:2015, ISO14001:2015
-
US$ 4 / Piece1 Piece (MOQ)
-
US$ 8 / Piece1 Piece (MOQ)
-
US$ 4 / Piece1 Piece (MOQ)
Shandong Seaco Machinery Equipment Co., Ltd.
Since 2021 Suppliers with verified business licenses
4.0
200
Plant Area
8
Number of Employees
-
US$ 23 / Piece1 Piece (MOQ)
-
US$ 60 / Piece100 Pieces (MOQ)
-
US$ 29 / Piece1 Piece (MOQ)
Manufacturer/Factory
, Trading Company
Petroleum Machinery , Casing Head , Tubing Head , Gate Valve , Flange
OEM
Response Time≤3h
-
Negotiable1 Piece (MOQ)
-
Negotiable1 Piece (MOQ)
-
Negotiable1 Piece (MOQ)
Wenzhou Kasin Valve Pipe Fitting Co., Ltd.
Since 2015 Suppliers with verified business licenses
5.0
179
Plant Area
13
Number of Employees
Trading Company
Ring Joint Gasket , Sanitary Valve , Ball Valve , Gate Valve , Press Fitting
ODM, OEM
Response Time≤3h
-
US$ 1 / Piece1 Piece (MOQ)
-
US$ 1 / Piece1 Piece (MOQ)
-
US$ 0.5 / Piece10 Pieces (MOQ)
Hengshui Runxi International Trade Co., Ltd.
Since 2023 Suppliers with verified business licenses
5.0
137
Plant Area
10
Number of Employees
Trading Company
Rubber Hose , Hydraulic Hose , Rubber Hose Production Line , Stainless Steel Flexible Hose , Hose Fitting
ODM, OEM
Response Time≤3h
-
US$ 7.8 / Piece100 Pieces (MOQ)
-
US$ 7.8 / Piece100 Pieces (MOQ)
-
US$ 7.8 / Piece100 Pieces (MOQ)
Zhengzhou Maierda Petroleum Equipment Co., Ltd.
Since 2019 Suppliers with verified business licenses
4.0
Trading Company
Casing Centralizers , Float Equipment , Pipes & Rods , Cementing Tools , Couples & Crossovers
OEM, ODM, Own Brand
Response Time≤3h
-
US$ 9 / Piece1 Piece (MOQ)
-
US$ 29 / Piece1 Piece (MOQ)
-
US$ 29 / Piece1 Piece (MOQ)
Manufacturer/Factory
Air Fitting , Air Cylinder , Solenoid Valve , Pneumatic Fittng , Pneumatic Component
OEM, Own Brand
ISO 9001, BSCI
-
US$ 1 / Piece500 Pieces (MOQ)
-
US$ 0.2 / Piece100 Pieces (MOQ)
-
US$ 0.06 / Piece500 Pieces (MOQ)
Zhejiang Mingshi Xingxin HVAC Technology Co., Ltd.
Since 2011 Suppliers with verified business licenses
5.0
2000+
Plant Area
534
Number of Employees
Manufacturer/Factory
, Trading Company
Aluminum Plastic Pipe , Brass Fitting , PEX-b Pipe , Valve , PPR Pipe
Own Brand, ODM, OEM
ISO9001:2015, ISO14001:2015
-
US$ 0.5 / Piece1000 Pieces (MOQ)
-
US$ 0.5 / Piece1000 Pieces (MOQ)
-
US$ 0.9 / Piece1000 Pieces (MOQ)
Taizhou Zhuoxin Plastics Co., Ltd.
Since 2010 Suppliers with verified business licenses
5.0
2000+
Plant Area
243
Number of Employees
Manufacturer/Factory
, Trading Company
PVC DWV Fitting , Pipe Fitting , Plastic Fittings , PVC Fittings , PPR Fittings
Own Brand, ODM, OEM
ISO9001:2015
-
US$ 0.012 / Piece1000 Pieces (MOQ)
-
US$ 55 / Box10 Boxes (MOQ)
-
US$ 55 / Box10 Boxes (MOQ)
Xiamen Bluesea Piping Systems Co.,Ltd.
Since 2024 Suppliers with verified business licenses
4.0
9.81 Mil
Annual Revenue
55
Plant Area
10
Number of Employees
Trading Company
SS Flange , CS Flange , Alloy Steel Forged , Nickel Alloy Forged , Forged Ring
OEM
ISO 9001, ISO 14001
-
US$ 1 / Piece10 Pieces (MOQ)
-
US$ 1 / Piece10 Pieces (MOQ)
-
US$ 1 / Piece10 Pieces (MOQ)
Manufacturer/Factory
Pneumatic Cylinder , Pneumatic Fitting , Air Hose/PU Tube , Solenoid Valve , Pneumatic Valve
OEM, ODM, Own Brand
ISO 9001
-
US$ 0.1 / Piece1 Piece (MOQ)
-
US$ 0.1 / Piece1 Piece (MOQ)
-
US$ 0.1 / Piece1 Piece (MOQ)
Trading Company
Plastic Valve , Plastic Fittings , Brass Fittings
OEM
ISO 9001, ISO 14001
-
US$ 0.42 / Piece500 Pieces (MOQ)
-
US$ 0.42 / Piece500 Pieces (MOQ)
-
US$ 0.1 / Piece1 Piece (MOQ)
Zhejiang Tianyan Holding Co., Ltd.
Since 2013 Suppliers with verified business licenses
5.0
2000+
Plant Area
497
Number of Employees
Manufacturer/Factory
, Trading Company
CPVC D2846 , PPR , CPVC Elbow , Plastic , PVC Pipe
ODM, OEM, Own Brand
ISO9001:2015, ISO14001:2015
-
US$ 0.2 / Piece3000 Pieces (MOQ)
-
US$ 0.2 / Piece3000 Pieces (MOQ)
-
US$ 0.15 / Carton/Cartons10 Carton/Cartons (MOQ)
Manufacturer/Factory
, Trading Company
Brass Fittings , Brake Adapter Fittings , Tube Fittings , Compression Union , Hydraulic Parts
OEM
ISO 9001, ISO 9000, ISO 14000, ISO 20000, IATF16949...
-
US$ 0.2 / Piece100 Pieces (MOQ)
-
US$ 0.1 / Piece100 Pieces (MOQ)
-
US$ 0.1 / Piece100 Pieces (MOQ)
Manufacturer/Factory
Malleable Iron Pipe Fittings , Grooved Fittings , Butt Weld Pipe Fittings , Forged Steel Flanges , Forged Steel Fittings
OEM, ODM, Own Brand
ISO 9001, ISO 14001, ISO 20000, OHSAS/ OHSMS 18001
-
US$ 2100 / Ton1 Ton (MOQ)
-
US$ 2100 / Ton1 Ton (MOQ)
-
US$ 2100 / Ton1 Ton (MOQ)
Manufacturer/Factory
, Trading Company
Pneumatic Fittings , Air Hoses , Pneumatic Quick Coupling , Solenoid Control Valve , Air Cylinder
OEM, ODM, Own Brand
ISO 9000
-
US$ 2.52 / Piece200 Pieces (MOQ)
-
US$ 0.89 / Piece200 Pieces (MOQ)
-
US$ 0.575 / Piece200 Pieces (MOQ)
Manufacturer/Factory
Elevator , Rubber Hose , Power Tongs , Rotary Table , Drilling Rig Accessories
OEM, Own Brand
ISO 9001, HSE
-
US$ 20 / Piece10 Pieces (MOQ)
-
US$ 20 / Piece10 Pieces (MOQ)
-
US$ 20 / Piece10 Pieces (MOQ)
BETTER DRILLING FLUID SOLUTION LIMITED
Since 2019 Suppliers with verified business licenses
4.0
2000+
Plant Area
Manufacturer/Factory
, Trading Company
Mission /Mcm Pump and Parts , Solid Control Equipment , Flowline Control Fittings , Demco Butterfly Valve , Kemper Hammerseal Union
OEM, Own Brand
ISO 9001, ISO 9000, ISO 20000, ISO 14064
-
US$ 50 / Piece10 Pieces (MOQ)
-
US$ 50 / Piece10 Pieces (MOQ)
-
US$ 50 / Piece10 Pieces (MOQ)
Manufacturer/Factory
, Trading Company
, Group Corporation
Casting , Forging , Machining , Stamping , Agriculture Machinery Parts
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 14000, IATF16949, HSE...
-
US$ 3 / kg10 kg (MOQ)
-
US$ 20 / Set10 Sets (MOQ)
-
Negotiable100 Pieces (MOQ)
Manufacturer/Factory
PVC Pipe , HDPE Pipe , UHMWPE Pipe , PPR Pipe , PVC Ball Valve
OEM, ODM, Own Brand
ISO 9001
-
US$ 0.62 / Piece1000 Pieces (MOQ)
-
US$ 0.2 / Piece1000 Pieces (MOQ)
-
US$ 0.5 / Piece1000 Pieces (MOQ)
Manufacturer/Factory
, Trading Company
Hydraulic Hose , Industrial Hose , Fire Sleeve , Air/Water Hose , Oil/Fuel Hose
OEM, ODM
ISO 9001, ISO 9000
-
Negotiable100 Pieces (MOQ)
-
Negotiable50 Pieces (MOQ)
-
Negotiable1 Piece (MOQ)
Henan Ruixuan Environmental Protection Technology Co., Ltd.
Since 2023 Suppliers with verified business licenses
5.0
80
Plant Area
4
Number of Employees
Manufacturer/Factory
Rubber Joint , Flange Joint , Dismantling Joint
Own Brand, ODM, OEM
Response Time≤3h
-
US$ 8 / Piece5 Pieces (MOQ)
-
US$ 8 / Piece5 Pieces (MOQ)
-
US$ 8 / Piece5 Pieces (MOQ)
Dongying City Kenli District Jinxiu Petroleum Machinery Co., Ltd
Since 2022 Suppliers with verified business licenses
5.0
2000+
Plant Area
35
Number of Employees
Manufacturer/Factory
, Trading Company
Sucker Rod , Drive Rod , Pony Rod , Polish Rod , Drill and Workover Rig and Accessories
Own Brand, ODM, OEM
ISO9001:2015, ISO14001:2015, ISO45001:2016
-
US$ 30 / Piece1 Piece (MOQ)
-
US$ 30 / Piece1 Piece (MOQ)
-
US$ 20 / Piece1 Piece (MOQ)
Manufacturer/Factory
Float Collar and Float Shoe , Cementing Basket , Stage Collar , Cementing Head
Own Brand, ODM, OEM
ISO9001:2015, ISO14001:2015, ISO45001:2016
-
US$ 20 / Piece1 Piece (MOQ)
-
US$ 10 / Piece1 Piece (MOQ)
-
US$ 10 / Piece1 Piece (MOQ)
Audited Supplier
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