Powered by Made-in-China.com
Forged Tubing and Casing Coupling for Oilfield Drilling
US$4.50
1-499 Pieces
US$4.20
500+ Pieces
Product specifications
size
Product profile
After-sales Service
HaveWarranty
1 YearCertification
ISO 9001:2000, ISO 9001:2008Model NO.
7/8''Power Source
/Operation Pressure
No Special RequirementsMaterial
Stainless Steel Carbon SteelType
Sucker Rod CouplingsMachine Type
Drilling EquipmentMaterial Name
Stainless SteelMaterial N
Carbon SteelProcessing Type
ForgingApplication
Casing Coupling and ConnectorsTransport Package
Wooden BoxSpecification
7/8''Trademark
Shandong RongyeOrigin
ChinaHS Code
8413910000Production Capacity
on-Demand ProductionKey features
Exceptional Durability: Forged from stainless steel and carbon steel for reliable performance in harsh drilling conditions.
Versatile Compatibility: Fits NUE, EUE, STC, LC, and BTC threads with grades J55, K55, N80, L80, and P110.
Customizable Color: Color of the tubing connection tool coupling can be customized according to customer requests.
Quality Assurance: Includes video inspection before delivery and mechanical test reports for full confidence.
Robust Protection: Packaged in wooden boxes to ensure excellent protection against damage during logistics.
Wide Temperature Range: Operates effectively in temperatures ranging from -1000 to 400 degrees Celsius.
Multiple Sizes Available: Available in coupling diameters of 5/8, 3/4, 7/8, 1, and 1-1/8 inches.
ISO Certified: Manufacturing process certified under ISO 9001:2000 and ISO 9001:2008 standards.
Company profile
Business Type: Trading CompanyAverage Response Time: ≤1.02h
AI-Powered supplier vetting
SummaryShandong Rongye Machinery Co., Ltd. is identified as a limited-company trading company with three employees and no stated affiliation with a larger group. It offers customization from customer designs and accepts several international trade and payment terms, with a stated one-month average lead time in both peak and off-season. However, the available information indicates no overseas showroom, overseas agent or branch, overseas-service coverage, offline trade-show participation, ODM service, SDK, recent new-product launches, or OEM work for popular brands. The supplier holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications and reported regular fire drills. Service procedures exist for supplier assessment, corrective actions, and complaints, but no written records were provided. Financial-related entries identify reporting years but do not provide sufficient evidence to assess financial credibility. Customer-case evidence is limited, with no Fortune 500 cooperation and zero stated repeat buyers.
CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications. A TUV Rheinland audit is also listed with a validity period from September 3, 2025 to September 2, 2026, but the recorded audit evaluation result is 0 and the meaning of that value is not defined in the provided data.
After-Sales capabilityThe supplier has procedures for corrective and preventive actions, customer complaints, supplier assessment, and service quotations, but no written records were provided for these procedures. It has no overseas showroom, overseas agent or branch, overseas-service coverage, or prior offline trade-show participation, limiting evidence of international after-sales support.
R&D capabilityThe supplier has one R&D engineer and can customize from customer designs, but reports no new products in the past year, no ODM service, and no available SDK. These stated limitations indicate weak demonstrated innovation capability.
Customization capabilityBoth relevant records state that the supplier provides customization from customer designs. This is explicit evidence of design-based customization, although it does not establish broader ODM or independent product-development capability.
Client casesThe supplier reports no cooperation with Fortune 500 companies and a repeat-buyer count of zero. No other named customer cases or reference projects are provided, so the available evidence does not demonstrate an established customer track record.
Product Q&A
Q:What materials are used for the coupling?
A:
The coupling is crafted from stainless steel and carbon steel forgings.
Q:What is the warranty period?
A:
The product is backed by a 14-year warranty period.
Q:Can the color be customized?
A:
Yes, the color of the tubing connection tool coupling can be customized according to customer requests.
Q:What thread types are compatible?
A:
It features both female and male thread types compatible with NUE, EUE, STC, LC, and BTC.
Q:How is the product packaged?
A:
The product is packaged in wooden boxes to ensure excellent protection during transportation.
Send Inquiry
*To:
Shandong Rongye Machinery Co., Ltd.
Shandong Rongye Machinery Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Oilfield Drilling Forged Tubing and Casing Coupling
US$4.20-4.50
1 Piece(MOQ)
API 11b Pony Rod 3/4" X 2 FT Grade D AISI 4142 Fs/T AISI 5140 Coupling
US$100.00
1 Set(MOQ)
Heavy-Duty API 5CT 2 7/8 Tubing Coupling for Steel Pipes
US$45.00-50.00
10 pieces(MOQ)
Industrial Sludge Vacuum Pump for Wastewater and Mud Transfer
US$9,000.00-17,000.00
1 Piece(MOQ)
F1000 API 7K Triplex Mud Pump 1000HP Drilling Rig Mud Pump
US$72,000.00
1 Piece(MOQ)
API Oilfield Drilling Rig Mud Pumps F Series F800 F1000 F1300 F1600 Triplex Mud Pump
US$70,000.00-75,000.00
1 Set(MOQ)
Mud Pump Made in China
US$150,000.00
1 Piece(MOQ)
High Pressure API F1600 1600HP Drilling Mud Pump for Oilwell
US$101,000.00-102,000.00
1 Piece(MOQ)
F1600/F1300/F800/F1000 Triplex Mud Pump/Drill Fluid Pump for Oil/Gas Drilling Rigs and Workovers OEM Nov / Cameron / Rg - API 7K
US$99,999.00-999,999.00
1 Piece(MOQ)
Mud Pump Piston/High Quality Rubber Piston for Oilfield Mud Pump Spare Parts
US$30.00-50.00
10 Pieces(MOQ)
Centrifugal Mud Pump Replace Mission Pump
US$900.00-2,000.00
1 Set(MOQ)
API F800 800HP Drilling Mud Pump for Oil Drilling Rig
US$76,000.00-77,000.00
1 Piece(MOQ)
High Quality F800 F1000 Mining Oil Well Drilling Castor Oil Press Mud Pump Machine
US$71,000.00-75,000.00
1 Piece(MOQ)
Mission Oilfield Drilling Mud Centrifugal Sand Pump 4X3X13
US$2,500.00-6,000.00
1 Piece(MOQ)
China Factory Direct Sale Drilling F Series Mud Pump with Accessories
US$71,000.00-75,000.00
1 Piece(MOQ)
Triplex Drilling Single Action F and 3nb Series Mud Pump
US$12,000.00
1 Piece(MOQ)
Products Using Advanced Production Technology of Mud Pump Accessories
US$30.00-50.00
10 Pieces(MOQ)
Liners for Mud Pumps/Spare Parts/F Pump/3nb Pump/Emsco/Bomco
US$350.00
1 Piece(MOQ)
High Power 350HP Triplex Piston Pump for Mud Circulating
US$2,999.00
1 Piece(MOQ)




















