
Weifang WeiErDa Petroleum Machinery Co., Ltd.
Verified listingWeifang WeiErDa Petroleum Machinery Co., Ltd. (international brand: WEDTA Industrial) manufactures small-diameter seamless steel pipes and tubes at a 160,000 m2 facility in Anqiu, Weifang, Shandong Province, China. Founded in 2005, the company employs 300+ workers including 100+ skilled technicians. Production covers OD 13-159 mm and WT 1.5-20 mm in carbon steel and alloy steel grades, using cone-roll piercing, hot rolling, cold drawing, and heat treatment processes. The product range spans OCTG casing and tubing (API 5CT), line pipe (API 5L), boiler and heat exchanger tubes, hydraulic tubes, automotive components, and construction-grade pipes. In-house inspection includes hydrostatic testing, ultrasonic testing (UT), eddy current testing (ECT), and optical emission spectrometry (OES). WeiErDa holds API 5CT, API 5L, PED, CE, EAC, ISO 9001, ISO 14001, ISO 45001, and IATF 16949 certifications and exports to 20+ countries. OEM customization is available for dimensions, tolerances, steel grades, heat treatment, marking, and packaging.
Product lines
Casing & Tubing
No product family confirmed yet. Browse Casing & Tubing
Manufacturing & Fabrication
No product family confirmed yet. Browse Manufacturing & Fabrication
Seamless Steel Pipes
No product family confirmed yet. Browse Seamless Steel Pipes
Tubular Goods (OCTG)
No product family confirmed yet. Browse Tubular Goods (OCTG)
Locations
| Site | Type |
|---|---|
Headquarters & Manufacturing - AnqiuJinhu Road West, Taishan Street East, Anqiu Economic Development Zone, Anqiu, SD, ChinaOffers All product lines | Headquarters |
| Licensed facility |
Service area
Service area not yet confirmed by the company.
Certifications
Show all 11 certifications
Company-wide (no site given)
| API 5CT & 7-1 | — | Company claim — not verified against the issuer |
| ISO 9001 | — | Company claim — not verified against the issuer |
| ISO 14001 | — | Company claim — not verified against the issuer |
| ISO 45001 | — | Company claim — not verified against the issuer |
| IATF 16949 | — | Company claim — not verified against the issuer |
| PED | — | Company claim — not verified against the issuer |
| CE (EN 10210) | — | Company claim — not verified against the issuer |
| EAC | — | Company claim — not verified against the issuer |
| China Pressure Piping A2 | — | Company claim — not verified against the issuer |
Verified: matched to API’s Composite List.
Contacts
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