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OCTG API Casing and Tubing Coupling Sucker Rod Coupling
US$1.90
100 Pieces
Product profile
Customization
AvailableAfter-sales Service
Technical SupportWarranty
1 YearModel NO.
sucker rod couplingManufacturing Process
ForgingSurface Treatment
Spray-PaintOperation Pressure
Atmospheric PressureMaterial
Carbon Steel, 40crCertification
API, ISO9001Connection
WeldingApplication
Pipe Lines ConnectSize
Standard and CustomApplicable Industries
Energy&MiningCustomized Support
OEM, ODM, ObmGrade
J55,K55,L80,N80,N80-Q,C95,P110Technics
ThreadingShape
TubularUse
Oil Drilling EctType
Sucker Rod CouplingLength
10mmDiameter
21mmThread Type
Male Female ThreadTransport Package
Wooden BoxSpecification
Multiple sizesTrademark
eastlongOrigin
Henan, ChinaHS Code
7307920000Production Capacity
50000 Piece/YearKey features
API & ISO9001 Certified: Products certified by API and ISO9001, passing CNPC Quality Testing Centre identification.
High Precision Manufacturing: Processed by CNC lathes and import cutters for precise threading ensuring interchangeability.
Durable Carbon Steel Material: Made from high-grade carbon steel including J55, K55, N80, L80, and P110 for oil drilling.
Comprehensive Testing: Complete testing apparatus for thread tape, pitch, tooth depth, and profile quality control.
1-Year Warranty: Provides a 1-year warranty period with technical support for after-sales service.
Flexible Customization: Supports OEM, ODM, and customized sizes, shapes, and grades for specific applications.
Multiple Connection Types: Available in STC, LTC, and BTC types with welding connections for pipe line applications.
Fast Lead Time: Average lead time within 15 workdays for both peak and off-season orders.
Company profile

Hongkong Eastlong Technology Co., LimitedGuangdong, China
Business Type: Manufacturer/FactoryExport Year: 2010-04-01Nearest Port: Shenzhen/Tianjing/Shanghai/HongkongAverage Response Time: ≤5.09hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP
About Our Factory & Business Background
AddressRoom 608 Building A17, Cuigang 4th Industrial Park, Fuyoung Street Baoan, Shenzhen, Guangdong, China
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Main ProductsTubing Coupling, Casing Coupling, Pup Joints, Crossovers, Centralizer, Carbon Steel Pipe, API 5L Pipe, Oil Drill Pipe, Oilfield Drilling Rig, Oil Country Tubular Goods
Our Industry Experience & Global Business Record
Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Product Q&A
Q:What materials are used for the couplings?
A:
The couplings are made from carbon steel grades including J55, K55, N80, N80-1, N80-Q, L80, and P110.
Q:What certifications do the products have?
A:
Products are certified by API and ISO9001 and have passed the identification of the CNPC Quality Testing and Inspection Centre.
Q:What is the warranty period?
A:
We provide a 1-year warranty with technical support for after-sales service.
Q:Can the size and shape be customized?
A:
Yes, we support OEM, ODM, and customized sizes and shapes according to your requirements.
Q:What is the average lead time for orders?
A:
The average lead time is within 15 workdays for both peak and off-season periods.
Send Inquiry
*To:
Hongkong Eastlong Technology Co., Limited
Hongkong Eastlong Technology Co., Limited*Content:
Supplier replies will be sent to your registered email
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