What quality checks are performed?

We conduct spot inspections and finished product inspections at each production step.

What materials are used for couplings?

Sucker rod couplings are made from carbon steel or alloy steel.

API 11b Full Size Slim Hole 7/8 Sm Sucker Rod Coupling

Name: API 11b Full Size Slim Hole 7/8 Sm Sucker Rod Coupling
Brand: Dongying Kenli Jinxiu Petroleum Machinery Co., Ltd
SKU: 2017162835

Shandong, ChinaDongying Kenli Jinxiu Petroleum Machinery Co., Ltd

US$1.00-5.00

10 Pieces

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Model NO.

sucker Rod Coupling

Manufacturing Process

Casting

Surface Treatment

Galvanized

Operation Pressure

Atmospheric Pressure

Material

High Quality Carbon Steel or Alloy Steel.

Machine Type

Oil and Gas Industry, Sucker Rod

Processing Type

Forging

Use

Oil Production, Oil and Gas

Transport Package

Bundles

Specification

5/8" ~ 1-1/8"

Trademark

JX PETRO

Origin

Dongying

Production Capacity

500 Ton/Tons Per Month

Key features

API 11B Standard Compliance: Manufactured strictly following API 11B standards for oil and gas industry applications.

High-Quality Material Options: Available in high-quality carbon steel or alloy steel for durability and performance.

Comprehensive Size Range: Offers various sizes including 5/8, 3/4, 7/8, 1, and 1-1/8 inches with FS and SH options.

Dual Class Certification: Available in Class T (through-hardened) and Class SM (sprayed metal) for different needs.

1-Year Warranty Coverage: Provides a 1-year warranty for peace of mind and quality assurance.

OEM/ODM Service Support: Supports OEM and ODM services to meet specific customer requirements.

Rigorous Quality Inspection: Includes spot inspection and finished product inspection during production.

Defective Product Replacement: Offers replacement or credit for defective items to ensure customer satisfaction.

Company profile

Dongying Kenli Jinxiu Petroleum Machinery Co., Ltd

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2022-09-05 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.27h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryJX PETRO is a China-based factory and limited company founded in 2005, specializing in petroleum drilling and production equipment. The supplier reports API certification, ISO9001, ISO14001, and ISO45001 certifications, six production lines, professional processing and testing equipment, and a manufacturing facility of 11,000–18,000 square meters as reported in different slices. Its product range covers sucker rods, mud pumps, well control and wellhead equipment, downhole tools, handling tools, and rig accessories. The supplier has self-operated import and export rights, but exports reportedly account for only 1%–10% of sales and its primary market is domestic. Evidence supports manufacturing capability, certification, and some R&D activity, including six national patents. No sufficient evidence is provided regarding after-sales service systems, customization capability, or specific customer cases. Financial assessment is limited because financial figures are excluded.

Supplier typeThe supplier is explicitly identified as a factory and as a limited company engaged in manufacturing and supplying petroleum drilling and production equipment. Its stated establishment year is 2005, and its operations are located in Shandong, China.

CertificationsThe supplier states that it holds API certification and ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications covering quality, environmental, and occupational health and safety management. These certifications provide explicit evidence of formal management-system and product-certification coverage.

R&D capabilityThe supplier reports investment in production technology R&D and talent development, 15 professional and technical personnel, three years of R&D engineer experience, and six national patents. These statements explicitly support the existence of R&D and patent activity, although the scope and commercial impact of the innovations are not detailed.

Production capacityProduction capability is supported by six production lines, 26 large-scale processing machines, more than 20 testing devices, and a reported manufacturing area of 11,000 square meters in one slice and 18,000 square meters in another. The supplier also reports 50 production workers in its company description, while another slice lists 35 total employees, indicating inconsistent workforce data that should be verified.