API 11b Oil Sucker Rod Coupling for Oilfield Sucker Rod

Name: API 11b Oil Sucker Rod Coupling for Oilfield Sucker Rod
Brand: Shandong Light Fir Machinery Equipment Co., Ltd.
SKU: 2063583225

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

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 standards for Class T and Class SM couplings.

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

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

Advanced Thermal Spraying: Class SM couplings feature Ni alloy spray coating to reduce friction coefficient to 0.01 and extend 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.

7x24 After-Sales Support: Round-the-clock technical support and service availability for all product inquiries.

12-Month Warranty: Comprehensive 12-month warranty coverage for all mechanical equipment and couplings.

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: ≤6.95hTerms 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 China-based limited company described as both a trading company and manufacturer/factory, offering oilfield and drilling-related equipment. It holds an ISO 9001 management-system certification and reports a valid import/export license. The supplier provides customization from samples and designs and has provided OEM services for well-known brands, but reports no ODM service and no new products in the past year. Production is supported by two production lines, while reported R&D-engineer and quality-control staffing are each below five. Service infrastructure is limited: there are no overseas warehouses, showrooms, agents, branches, or offline trade-show participation. Written procedures or records for service assessment, corrective/preventive action, and complaint handling were not provided. Financial records are identified by year, but no performance values are supplied, so financial credibility cannot be assessed.

CertificationsThe supplier reports holding ISO 9001 certification. This is explicit evidence of a quality-management-system certification, although no additional certification details are provided.

After-Sales capabilityThe supplier has no written procedures or records for service-capability assessment, corrective and preventive actions, or effective complaint handling. It also reports no overseas warehouse, showroom, agent, branch, or offline trade-show experience, although it lists 15 qualified service-capability suppliers and offers a one-month average lead time.

R&D capabilityThe supplier reports no available SDK, no new products during the past year, and no ODM service. Its R&D engineer experience is below five years, which provides no evidence of strong innovation performance; however, it does provide customization from samples and designs.

Production capacityThe supplier identifies itself as a manufacturer/factory, operates two production lines, and offers a broad range of artificial-lift, wellhead, well-control, valve, cementing, drilling, and solid-control equipment. Quality-control staffing is below five, so production scope is documented but operational scale and capacity remain limited or unverified.

Customization capabilityThe supplier explicitly provides customization from samples and from customer designs, and lists customized products among its main offerings. It also reports OEM service for well-known brands, while not offering ODM service.