Supplier profile
Dongying Lianfeng Petroleum Machinery Co., Ltd
Dongying · Shandong · People's Republic of China
Company overview
Generated from certificate recordsThe recorded product scopes include Drill Stem Subs; Rotary Shouldered Connections Threads; Tool Joint. Consult each complete certificate scope for its activities and limitations.
The listed certificates include product licenses for API-5DP; API-7-1; API-7-2. These records are marked Active by the source.
This overview follows the certificate records on this page and covers the listed facility.
View supporting records (3)
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.
- Tool Joint
- Drill Stem Subs
- Rotary Shouldered Connections Threads
3 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-5DP
5DP-0158
Tool Joint
- Effective
- 2026-01-09
- Expires
- 2027-09-26
View scope and certificate record details
Certification scope
Tool Joint
- Original issue date
- 2010-10-04
- Source status changed
- 2014-08-22
API-7-1
7-1-1659
Drill Stem Subs
- Effective
- 2026-01-09
- Expires
- 2027-09-26
View scope and certificate record details
Certification scope
Drill Stem Subs
- Original issue date
- 2022-05-12
- Source status changed
- 2022-05-12
API-7-2
7-2-0944
Rotary Shouldered Connections Threads
- Effective
- 2026-01-09
- Expires
- 2027-09-26
View scope and certificate record details
Certification scope
Rotary Shouldered Connections Threads
- Original issue date
- 2025-02-05
- Source status changed
- 2025-02-05
Company information & address
A legal identity link is recorded. Procurement qualification has not been assessed.
View address & legal records
- Source company name
- Dongying Lianfeng Petroleum Machinery Co., Ltd
- Site address (source record)
- No. 96, Huaihe Road Dongcheng Development Park Dongying, Shandong, 257091 People's Republic of China
- Registered legal name
- 东营联丰石油机械有限公司
- Unified Social Credit Code
- 913705006657364776
- Established
- 2007-08-21
- Registry status (source record)
- 在营（开业）企业
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.