What materials are used for the couplings?

Both Grade T and Grade SM couplings are made of 5140 alloy steel, offering high resistance to hydrogen embrittlement.

Are custom surface treatments available?

Yes, the coupling can be coated using phosphate chemical treatment or black oxide based on customer requests.

What is the warranty period?

We provide a 12-month warranty for our products.

Chinese High Quality API 11b Sucker Rod Blowout Preventer Price

Name: Chinese High Quality API 11b Sucker Rod Blowout Preventer Price
Brand: Shandong Light Fir Machinery Equipment Co., Ltd.
SKU: 2057266535

Shandong, ChinaShandong Light Fir Machinery Equipment Co., Ltd.

US$2.00-10.00

1 Piece

Sample price:US$5.00/joint.Request sample

Product profile

Customization

Available

After-sales Service

7X24

Warranty

12months

Model NO.

API 11B

Manufacturing Process

Forging

Surface Treatment

Polishing

Operation Pressure

Material

Alloy

Delivey

10days

Transport Package

Stand Export Package

Specification

5/8", 3/4", 7/8", 1", 1-1/8"

Trademark

LFM

Origin

China

Production Capacity

100000

Key features

API 11B Compliant: Manufactured strictly according to API Specification 11B standards for quality assurance.

High Strength Threads: Cold form rolled threads provide compressive stress for maximum strength and fatigue resistance.

Corrosion Resistance: Made from 5140 alloy steel, highly resistant to hydrogen embrittlement and corrosion.

Low Friction Coating: Advanced thermal spraying reduces friction coefficient to 0.01, extending service life.

Customizable Surface: Surface treatment options include black coating, phosphating, or as per customer requirements.

Multiple Grades Available: Available in Grade T and Grade SM CO-HARD for various operational needs.

Fast Delivery: Standard delivery time is approximately 30-45 days after order confirmation.

24/7 Support: Professional after-sales service available 7x24 hours for technical assistance.

Company profile

Shandong Light Fir Machinery Equipment Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2021-08-17Nearest Port: Tianjin, Shanghai, QingdaoAverage Response Time: ≤6.85hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryShandong Light Fir Machinery Equipment Co., Ltd. is a limited company based in Dongying City, Shandong, China. It functions as both a trading company and a manufacturer, specializing in a variety of machinery equipment. The company holds ISO 9001 certification but lacks documented after-sales service procedures. Financial data indicates consistent capacity over the past three years, while the company demonstrates OEM capabilities for well-known brands despite limited R&D innovation. Production is supported by two lines and a small team of R&D and quality control staff.

Supplier typeThe supplier is a limited company functioning as both a trading company and a manufacturer located in Shandong, China.

CertificationsThe supplier holds ISO 9001 certification, indicating a commitment to quality management standards.

After-Sales capabilityThe supplier lacks documented procedures or records for handling after-sales services, indicating weak service capability.

R&D capabilityThe supplier lacks significant innovation capability, evidenced by no new products in the past year and limited R&D staff.

Customization capabilityThe supplier offers customization from samples and designs, and provides OEM services for known brands but does not offer ODM services.