Supplier profile

Jiangsu Jinshi Machinery Group Co., Ltd.

Jinhu · Jiangsu Province · People's Republic of China

Company overview

Based on certificates and public sources

According to its website, the group traces its origins to Jinhu Machinery Factory, established in 1960, and began producing wellhead equipment in 1974, giving this line of business more than 50 years of history.〔1〕

The recorded certification scopes cover these activities: Design, Manufacture and Servicing of Wellhead and Christmas Tree Equipment, Choke and Kill Manifold Systems

The listed certificates include product licenses for API-16C; API-5CT; API-6A; system or certification programs for API Spec Q1, 10th Edition; ISO 9001:2015. These records are marked Active by the source.

The company reports that its 175 MPa wellhead equipment supplied to Sinopec Northwest Oilfield was installed and commissioned at the Shunzhong 22 well in June 2025.〔2〕 CNOOC’s November 2025 award notice names the company as the winner of the wellhead procurement contract for the Bozhong 19-6 gas field’s Phase II development.〔3〕

A May 2026 report from the Huai’an Science and Technology Bureau identifies the company as a national specialized and innovative “Little Giant” enterprise.〔4〕

System or program certification does not establish a license for a particular product.

The certificate summary follows this facility’s records. History, projects and recognition describe the company; expand below for sources and content review dates.

View sources (4 public facts · 5 certificates)

Numbers refer to the overview above. Content review dates show when OFMP checked the sources, not certification, award or customer acceptance dates.

〔1〕Business history
According to its website, the group traces its origins to Jinhu Machinery Factory, established in 1960, and began producing wellhead equipment in 1974, giving this line of business more than 50 years of history.
Jiangsu Jinshi Machinery Group · Group profile and history (new tab)
Company website · Published: Not stated · Reviewed: 2026-10-10
See the group profile for the 1960 predecessor and the start of wellhead production in 1974. This history is distinct from the current legal entity’s incorporation date. The separate 1973 entry concerns petroleum machinery generally.
〔2〕Customer projects
The company reports that its 175 MPa wellhead equipment supplied to Sinopec Northwest Oilfield was installed and commissioned at the Shunzhong 22 well in June 2025.
Jiangsu Jinshi Machinery Group · 175 MPa wellhead project for Sinopec Northwest Oilfield (new tab)
Company website · Published: Not stated · Reviewed: 2026-10-10
The case describes warehouse acceptance in January 2025 and installation and commissioning at Shunzhong 22 in June 2025. These are company-reported events for this project, not performance or delivery claims for other products.
〔3〕Customer projects
CNOOC’s November 2025 award notice names the company as the winner of the wellhead procurement contract for the Bozhong 19-6 gas field’s Phase II development.
CNOOC procurement platform · Wellhead procurement award for Bozhong 19-6 Phase II (new tab)
Customer announcement · Published: 2025-11-15 · Reviewed: 2026-10-10
Lot 25-CNCCC-HW-YQ-8106/01 names Jiangsu Jinshi Machinery Group Co., Ltd. as the winner. The award does not establish completed delivery or acceptance. The notice is search-indexed; the procurement platform may restrict direct access.
〔4〕Recognition
A May 2026 report from the Huai’an Science and Technology Bureau identifies the company as a national specialized and innovative “Little Giant” enterprise.
Huai’an Science and Technology Bureau · Innovation and the development of Huai’an’s industrial clusters (new tab)
Government publication · Published: 2026-05-22 · Reviewed: 2026-10-10
Find the company’s full name in the high-end equipment section, which identifies it as a national specialized and innovative “Little Giant” enterprise. The publication date is not an initial designation or renewal date.

These records were checked for this overview. Records with date concerns are excluded from the scope and standards summary. Open a record to review its full scope, dates and source wording.

16C-0021API-16C
6A-0392API-6A
ISO-0254ISO 9001:2015
5CT-2301API-5CT
Q1-0862API Spec Q1, 10th Edition

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Products & certifications

Based on certificate scope. Confirm specific models, availability and lead times with the supplier.

Well Control Chokes
Well Control Choke Actuators
Rigid Choke and Kill Lines
Choke and Kill Manifold Buffer Chamber
Casing or Tubing Pup Joints
Ring Gaskets

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API-16CAPI-5CTAPI-6AISO 9001:2015API Spec Q1, 10th Edition

5 certificate records · marked Active by the source

The source sync time is not provided. Check current certificate status before purchasing.

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Include product specifications, quantity, required certifications, delivery location and target date. Ask for current certificates, a quotation and delivery terms.

Certificates & product scope

Check the relevant standards, scope and dates. Expand a record for details. Active is a source status, not live verification or supplier approval.

API-16C

16C-0021

Source status: Active

Well Control Chokes; Well Control Choke Actuators; Rigid Choke and Kill Lines; Choke and Kill Manifold Buffer Chamber

Effective: 2026-03-31
Expires: 2029-03-31

View scope and certificate record details

Certification scope

Well Control Chokes; Well Control Choke Actuators; Rigid Choke and Kill Lines; Choke and Kill Manifold Buffer Chamber

Original issue date: 2001-06-23
Source status changed: 2014-03-31

API-5CT

5CT-2301

Source status: Active

Casing or Tubing Pup Joints

Effective: 2026-03-31
Expires: 2029-03-31

View scope and certificate record details

Certification scope

Casing or Tubing Pup Joints

Original issue date: 2022-12-15
Source status changed: 2022-12-15

API-6A

6A-0392

Source status: Active

Effective: 2026-03-31
Expires: 2029-03-31

View scope and certificate record details

Certification scope

Ring Gaskets; Valve Removal Plugs; Bullplugs; Blind and Test Flanges; Back Pressure Valves; Chokes; Tees and Crosses; Top Connectors; Cross-Over Connectors; Casing and Tubing Heads; Pneumatic and Hydraulic Actuators; Check Valves; Gate, Ball, Plug Valves; Adapter Spools and Spacer Spools; Mandrel-Type Hangers; Slip-Type Hangers; Surface Safety Valves

Original issue date: 1995-06-05
Source status changed: 2014-03-31