What is the warranty period?

The warranty period is six months.

Can the surface finish be customized?

Yes, mirror polishing is available for customized high-precision models.

What are the main application scenarios?

It is used in onshore oilfields, offshore drilling, pipeline transportation, and warehouse storage.

Drill Pipe Thread Protector Male Female Thread Protector for Oilfield Drill Pipe

Name: Drill Pipe Thread Protector Male Female Thread Protector for Oilfield Drill Pipe
Brand: Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.
SKU: 2188054232

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

US$24.00

10 Pieces

Product profile

Warranty

Six Months

Shaping Mode

Injection Mould

Surface Finish Process

Mirror Polishing

Model NO.

Mould Cavity

Single Cavity

Plastic Material

HDPE

Process Combination Type

Injection Molding

Runner

Cold Runner

Standard

API

Customized

After-sales Service

Six Months

Transport Package

Wooden Pallet

Trademark

DFL

Origin

China

Key features

API Standard Compliance: Meets API standards for NC, IF, BTC, and other OCTG thread types.

HDPE Material Construction: Made of High Density Polyethylene for durability and corrosion resistance.

Customized Surface Finish: Mirror polishing available for customized high-precision models.

Multi-Material Options: Available in HDPE, PE, ABS, and PA66+GF reinforced materials.

Reusable Design: Reinforced ABS/PA types allow 5-10 repeated uses.

Wide Size Range: Available sizes from 2-3/8' to 7' and other standard dimensions.

Corrosion Protection: Effectively blocks sand, mud, moisture, and salt spray to prevent rust.

Fast Production Lead Time: Peak and off-peak season lead times are both within 15 workdays.

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.