Supplier profile
Jiangsu Changbao Precision Steel Tube Co., Ltd
Jintan · Jiangsu · People's Republic of China
Company overview
Generated from certificate recordsThe recorded certification scopes cover these activities: Design of Premium Thread for Casing and Tubing; Manufacture of Seamless Oil Well Casing and Tubing, Coupling Stock, Casing and Tubing Coupling, Drill Pipe Body and Line Pipe
The listed certificates include product licenses for API-5B; API-5CRA; API-5CT; API-5DP; API-5L; system or certification programs for API Spec Q1, 10th Edition. These records are marked Active by the source.
System or program certification does not establish a license for a particular product.
This overview follows the certificate records on this page and covers the listed facility.
View supporting records (6)
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.
Products & certifications
Based on certificate scope. Confirm specific models, availability and lead times with the supplier.
- Casing & Tubing Threads
- Line Pipe Threads
- Manufacturer of Casing, Tubing or Coupling Stock - PSL 1
- Manufacturer of Casing, Tubing or Coupling Stock - PSL 2
- Seamless Casing or Tubing (Plain End)
- Seamless Casing or Tubing (Threaded and Coupled)
6 certificate records · marked Active by the source
The source sync time is not provided. Check current certificate status before purchasing.
Contact supplier
Website from the public record. Visit it for contact options.
Phone & email for members
Active members can view contact details. Some profiles have none listed.
Membership is invitation-based and requires approval after registration. Public certificates need no sign in.
What should I include in an inquiry?
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-5B
5B-0398
Casing & Tubing Threads; Line Pipe Threads
- Effective
- 2026-04-27
- Expires
- 2029-04-27
View scope and certificate record details
Certification scope
Casing & Tubing Threads; Line Pipe Threads
- Original issue date
- 2025-04-22
- Source status changed
- 2025-04-22
API-5CRA
5CRA-0035
Manufacturer of Casing, Tubing or Coupling Stock - PSL 1; Manufacturer of Casing, Tubing or Coupling Stock - PSL 2
- Effective
- 2026-06-10
- Expires
- 2029-04-27
View scope and certificate record details
Certification scope
Manufacturer of Casing, Tubing or Coupling Stock - PSL 1; Manufacturer of Casing, Tubing or Coupling Stock - PSL 2
- Original issue date
- 2023-01-31
- Source status changed
- 2023-01-31
API-5CT
5CT-1037
Seamless Casing or Tubing (Plain End); Seamless Casing or Tubing (Threaded and Coupled); Coupling Stock or Accessory Material; Casing or Tubing Pup Joints; Casing or Tubing Couplings; Processed Casing…
- Effective
- 2026-06-10
- Expires
- 2029-04-27
View scope and certificate record details
Certification scope
Seamless Casing or Tubing (Plain End); Seamless Casing or Tubing (Threaded and Coupled); Coupling Stock or Accessory Material; Casing or Tubing Pup Joints; Casing or Tubing Couplings; Processed Casing, Tubing, Coupling Stock, or Accessory Material (Plain End); Processed Casing or Tubing (Threaded and Coupled); Processed Casing or Tubing Pup Joints
- Original issue date
- 2010-09-13
- Source status changed
- 2016-08-10
API-5DP
5DP-0013
Drill Pipe Body
- Effective
- 2026-04-27
- Expires
- 2029-04-27
View scope and certificate record details
Certification scope
Drill Pipe Body
- Original issue date
- 2010-09-13
- Source status changed
- 2016-08-10
API-5L
5L-0697
Line Pipe Plain End at PSL 1; Line Pipe Plain End at PSL 2; Line Pipe Plain End at PSL 2 - Service Annex H; Line Pipe Plain End at PSL 2 - Service Annex J; Processed Line Pipe Plain End PSL1, PSL2, An…
- Effective
- 2026-04-27
- Expires
- 2029-04-27
View scope and certificate record details
Certification scope
Line Pipe Plain End at PSL 1; Line Pipe Plain End at PSL 2; Line Pipe Plain End at PSL 2 - Service Annex H; Line Pipe Plain End at PSL 2 - Service Annex J; Processed Line Pipe Plain End PSL1, PSL2, Annex H, Annex J, and/or Annex N
- Original issue date
- 2010-09-13
- Source status changed
- 2016-08-10
API Spec Q1, 10th Edition
Q1-3237
Design of Premium Thread for Casing and Tubing; Manufacture of Seamless Oil Well Casing and Tubing, Coupling Stock, Casing and Tubing Coupling, Drill Pipe Body and Line Pipe
- Effective
- 2026-04-27
- Expires
- 2029-04-27
View scope and certificate record details
Certification scope
Design of Premium Thread for Casing and Tubing; Manufacture of Seamless Oil Well Casing and Tubing, Coupling Stock, Casing and Tubing Coupling, Drill Pipe Body and Line Pipe
View original scope wording
Scope statement (source wording)Design of Premium Thread for Casing and Tubing; Manufacture of Seamless Oil Well Casing and Tubing, Coupling Stock, Casing and Tubing Coupling, Drill Pipe Body and Line Pipe
- Original issue date
- 2017-04-27
- Source status changed
- 2025-04-28
Company information & address
A unique legal entity is not confirmed. Verify the company’s identity with the supplier.
View address & legal records
- Source company name
- Jiangsu Changbao Precision Steel Tube Co., Ltd
- Site address (source record)
- Jinwu Road No. 88 Jintan, Jiangsu, 213200 People's Republic of China
About these records
Certificates are sourced from the API Composite List; the sync time is not provided. OFMP is not a certifying body. Verify current certificates, company identity and delivery capability before purchasing.