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API Petroleum Coupling 2-3/8 K55/J55/N80/L80/P110 Hardware Tools Geological Mining Casing Coupling
US$2.98
10-99 Pieces
US$2.80
100+ Pieces
Sample price:US$2.90/piece.Request sample
Product profile
Products Name
API Petroleum Coupling 2-3/8 EU L80-1cr Hardware TUsed for
Oil Drilling and ProductionSize
2-3/8Model NO.
2-7/8"Grade
L80Color
RedSurface Treatment
PhosphatingStock
500MOQ
20Transport Package
Wooden BoxSpecification
2-7/8"Trademark
EASTLONGOrigin
Tianjin, HenanHS Code
7307990000Production Capacity
50000/YearKey features
15+ Years Manufacturing Experience: Over 15 years of experience in manufacturing API couplings, pup joints, and pipes.
Global Market Presence: Products sold to North America, Middle East, South Asia, Eastern Europe, and South America.
Strict Quality Control: Pre-production samples and final inspections before shipment to ensure quality.
Large Scale Production: One of the largest manufacturers of API couplings in China with big plants and workshops.
Flexible Payment Terms: Accepts T/T, L/C, D/P, D/A, Cash, PayPal, and Western Union in USD, EUR, CNY.
Fast Lead Time: Average lead time within 15 working days for both peak and off-peak seasons.
Wide Product Range: Offers API Couplings, Tubing Couplings, Casing Couplings, Pup Joints, and Centralizers.
24-Hour Warranty Response: Warranty claims responded to within 24 hours via email with order ID and issue description.
Company profile
Business Type: Manufacturer/FactoryExport Year: 2019-06-07Nearest Port: TIANJIN PORT, QINGDAO PORT, SHANGHAI PORTAverage Response Time: ≤15hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, DDP
AI-Powered supplier vetting
SummaryTianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd. is a China-based manufacturer founded in 1999, focused on oil pipes, pipe fittings, drilling and production tools, and petroleum automation equipment. The supplier reports ISO 9001 and ISO 14001 certification, 10 production lines, 11–20 years of R&D engineer experience, and 11–20 quality-control staff. It states that its capabilities cover design, development, manufacturing, testing, experimentation, and full-cycle service, supported by more than 30 independent intellectual property rights and an intelligent workshop. The company exports to broad global markets and reports export activity since 2019, but the provided information does not identify specific customer cases or independently verify the stated capabilities.
Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and a limited company based in Tianjin, China. Its stated business focuses on petroleum equipment, oil pipes, pipe fittings, drilling and production tools, and automation equipment, matching the listed industrial product categories.
CertificationsThe supplier reports holding ISO 14001 and ISO 9001 management-system certifications. These are explicit certification records in the provided data, although certificate scope and validity dates are not given.
R&D capabilityThe supplier reports more than 30 independent intellectual property rights, an intelligent workshop, numerical-control automation equipment capabilities, an e-commerce platform, and recognition as a national science and technology-based small and medium-sized enterprise. These statements provide explicit evidence of innovation-related infrastructure and activity.
Production capacityThe supplier describes an integrated chain covering design, development, manufacturing, testing, and experimentation; operates 10 production lines; and has an intelligent workshop. It also reports oil equipment and pipe-related manufacturing experience, with stated order fulfillment within 15 workdays in both off-peak and peak seasons, supporting a positive production-capability assessment.
Customization capabilityThe stated full-cycle integration of design, development, manufacturing, testing, and experimentation, together with numerical-control automation equipment and an intelligent manufacturing model, indicates the ability to develop and manufacture tailored petroleum equipment. However, no specific customized project examples, engineering-change process, or minimum-order requirements are provided.
Product Q&A
Q:What is the warranty claim process?
A:
Email your order ID and issue description to the support email. We will respond within 24 hours.
Q:What is the average lead time for orders?
A:
The average lead time is within 15 working days, regardless of peak or off-peak seasons.
Q:What payment methods are accepted?
A:
We accept T/T, L/C, D/P, D/A, Cash, PayPal, and Western Union in USD, EUR, or CNY.
Q:How do you guarantee product quality?
A:
We provide pre-production samples before mass production and conduct final inspections before shipment.
Q:What is the MOQ for API Couplings?
A:
The Minimum Order Quantity (MOQ) is 20 units.
Send Inquiry
*To:
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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