What standards does the product comply with?

It complies with API 5L, API 5CT, ASTM, JIS, DIN, EN, and ASME standards.

What is the lead time for production?

The average lead time is within 15 workdays for both peak and off-peak seasons.

What payment terms are accepted?

We accept LC, T/T, PayPal, and Western Union.

Durable Oil Tubing for Global Petroleum Projects

Name: Durable Oil Tubing for Global Petroleum Projects
Brand: Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.
SKU: 2147711142

Tianjin, ChinaTianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.

US$40.00

1-9 Pieces

US$39.00

10-999 Pieces

US$35.00

1,000+ Pieces

Product profile

After-sales Service

Six Months

Warranty

Six Months

Structure

Vertical

Model NO.

2-7/8

Specification

API 6A

Trademark

eastlong

Origin

China

Key features

High-Strength Alloy Steel: Made of N80, P110, Q125 steel with excellent tensile and compressive resistance.

Extreme Condition Resistance: Withstands deep wells, high pressure, and high temperatures effectively.

Advanced Sealing Performance: Features API standard or gas-tight connections to prevent leakage and blowouts.

Multi-Layer Anti-Corrosion: Offers phosphating, copper coating, and epoxy options for sulfur and CO2 resistance.

Versatile Well Adaptability: Suitable for vertical, directional, horizontal, deep, and ultra-deep wells.

Customizable Specifications: Diameter 1/8-30 inch and wall thickness 1.24-63.5mm can be customized.

Multiple Surface Coatings: Includes FBE, 3PE, Varnish, Bitumen, and Black Oil coatings per requirement.

Comprehensive Heat Treatment: Options include annealed, normalized, quenched, and tempered treatments.

Company profile

Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.Tianjin, China

Business Type: Manufacturer/FactoryExport Year: 2019-06-07Nearest Port: TIANJIN PORT, QINGDAO PORT, SHANGHAI PORTAverage Response Time: ≤18hTerms 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.