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?

Accepted terms include LC, T/T, PayPal, and Western Union.

What is the function of the casing centralizer?

It places the casing at the center of the hole to improve cementing efficiency and prevent poor cementing jobs.

API Cementing Centralizer for Oil Frield

Name: API Cementing Centralizer for Oil Frield
Brand: Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.
SKU: 2196078172

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

US$50.00

100-999 Pieces

US$40.00

1,000-9,999 Pieces

US$30.00

10,000+ Pieces

Product profile

After-sales Service

Six Months

Warranty

Six Months

Certification

ISO 9001:2000, ISO 9001:2008

Model NO.

5-1/2 X 8-1/2

Applicable Medium

Water, Natural Gas, Crude Oil

Structure

Plug-In

Material

Cast Steel

Specification

API

Trademark

eastlong

Origin

China

Key features

Optimal Cementing Efficiency: Centers casing in the hole to prevent contact with formation and ensure uniform cement slurry distribution.

Durable Material Construction: Available in super strength spring steel, ASTM A395 ductile iron, polyester, or aluminum alloy.

Versatile Structure Options: Offers rigid, roller, or one/double bow designs without welding for various well conditions.

Wide Size Compatibility: Covers casing sizes from 5-1/2 inches to 13-3/8 inches with corresponding ID and OD specifications.

Industry Standard Certification: Certified under ISO 9001:2000, ISO 9001:2008, and holds API 5CT authorization.

Extended Warranty Coverage: Provides a six-month warranty period for mechanical defects and performance issues.

Post-Sales Support: Includes six months of dedicated after-sales service for customer assistance.

Multi-Medium Application: Suitable for use with water, natural gas, and crude oil in oil field operations.

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.