API 11b Sucker Rod Coupling Polished Rod Coupling

Name: API 11b Sucker Rod Coupling Polished Rod Coupling
Brand: Shandong Light Fir Machinery Equipment Co., Ltd.
SKU: 2063584005

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 Compliance: Manufactured strictly according to API Specification 11B for Class T and Class SM couplings.

Cold Form Rolled Threads: Uses cold form rolling to create compressive stress, providing maximum strength at thread roots.

Hydrogen Embrittlement Resistance: Grade T and SM couplings made of AISI 5140 alloy steel offer high resistance to hydrogen embrittlement.

Advanced Thermal Spraying: Class SM uses thermal spraying to melt Ni alloy, reducing friction coefficient to 0.01 for extended service life.

Customizable Surface Treatment: Available with phosphate chemical treatment or black oxide coating based on customer requirements.

Multiple Size Options: Available in full size, slim hole, over size, and combination sub-couplings for various diameters.

24/7 After-Sales Support: Provides round-the-clock technical assistance and support for all machinery.

12-Month Warranty: Covers mechanical defects with free parts and labor for a period of 12 months.

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: ≤6.07hTerms 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.

Product Q&A

Q:What's your packing?

Regular packing.

Q:What's your delivery?

Normally, about 30-45 days.

Q:What are the shipping methods?

Ocean shipment to the port near from you; Air shipment to the shipment near from your company; Door to door service by international express.

Q:What about the payment options?

In general, we accept T/T.

Q:When can I get the price?

We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will detail with your inquiry priority.