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Certifications
Company certificates
Certificates held by the works
All certificates are issued to Tianjin Wanlite Construction Steel Products Co., Ltd, No. 11 Fengze 1st Avenue, Balitai Industrial Park, Jinnan District, Tianjin 300350. ASME certificates can be checked on the ASME certificate holder search.
| Certificate | Number | Issued by | Scope | Valid to |
|---|---|---|---|---|
| ISO 9001:2015 | 00926Q01657R101 | China Great Wall (Tianjin) Quality Assurance Centre, CNAS, IAF MLA | Quality management system | 25 May 2028 |
| ISO 14001:2015 | 00926E00640R101 | China Great Wall (Tianjin) Quality Assurance Centre, CNAS, IAF MLA | Environmental management system | 25 May 2028 |
| ISO 45001:2018 | 00926S00592R101 | China Great Wall (Tianjin) Quality Assurance Centre, CNAS, IAF MLA | Occupational health and safety management system | 25 May 2028 |
| ASME U | 62149 | The American Society of Mechanical Engineers | Manufacture of pressure vessels at the Tianjin works | 21 Jan 2028 |
| ASME PP | 62148 | The American Society of Mechanical Engineers | Fabrication and assembly of pressure piping at the Tianjin works | 21 Jan 2028 |
| EN 1090-1 factory production control, EXC3 | 1381-CPR-815 | SGS ICS Italia S.r.l., notified body 1381 | Execution of steel structures to EN 1090-2 EXC3; ISO 15608 groups 1.1 and 1.2 (carbon and C-Mn steels) | Continuous, annual surveillance; updated 28 Nov 2025 |
| EN ISO 3834-2:2021 | 22/938-3834 | SGS ICS Italia S.r.l. | Comprehensive quality requirements for fusion welding; parts and components of steel structures | 21 Nov 2028 |
Project routes and standards
Codes we build to, per project
Applied per project. Records go in the manufacturing record book.
| Code or route | How it applies |
|---|---|
| PED 2014/68/EU | Conformity assessment module and notified body agreed per project. No standing PED certificate is claimed. |
| EN 10204 3.1 | Material supplied with mill certificates, traceable to each piece by UID. |
| AS/NZS 1554.1 SP, 1554.2, 1554.5 | WPS qualified per project. |
| AS/NZS 5131 CC2 and CC3 | Construction categories executed on Australian mining structures. |
| AS 1657 | Grating, handrail, stairs and ladders. |
| ASME VIII Div. 1, B31.1, B31.3 | Vessels under the U stamp, B31.1 power piping under the PP stamp, B31.3 process piping to code (no stamp applies). |
Prequalification
Prequalification pack
For supplier qualification we send one pack: certificate copies, business license, foreign trade registration, organization chart, reference list, equipment list, WPS and WPQR register, and QA document index. Financial statements and the bank reference letter are sent under NDA.
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