What payment methods do you accept?

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

What surface treatments are available?

We provide phosphating, spray painting, and copper plating treatments.

API 2-7/8” N80 Tubing Casing Couplings Can Be Wholesale

Name: API 2-7/8” N80 Tubing Casing Couplings Can Be Wholesale
Brand: Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.
SKU: 2106926382

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

US$15.00

10 Pieces

Sample price:US$15.00/piece.Request sample

Product profile

Products Name

API N80 Tubing Casing Couplings Can Be Wholesa

Used for

Oil Drilling and Production

Size

2-7/8”

Model NO.

2-7/8"

Grade

N80,L80,J55,K55,P110

Thread

Color

Res

Surface Treatment

Phosphating

Stock

20000

MOQ

Transport Package

Sea Freight, Air Freight, Express Delivery

Specification

2-7/8”

Trademark

EASTLONG

Origin

Henan, China

HS Code

7307990000

Production Capacity

80000/Year

Key features

OEM Customization Support: Provides OEM customization services for oil drilling and production applications.

Wide Grade Range: Available in N80, L80, J55, K55, and P110 grades to meet various standards.

Anti-Corrosion Treatment: Features phosphating and copper plating processes for enhanced corrosion resistance.

1-Year Warranty: Comes with a 1-year warranty period covering mechanical defects.

Advanced Quality Inspection: Includes 100% thread fit inspection and wet magnetic particle testing.

Customized Packaging: Offers free customized packaging including wooden crates and pallets.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-peak seasons.

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: ≤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.