COMPANY 05 · CERTIFICATES
Certificate register: what we hold, when each expires, and what we will not do with it.
A register with dates is more useful than a wall of framed paper. Every certificate below names the entity that holds it and the date on the file. Where a date has passed, it says so.
| Certificate | Holder | Date on file | Status |
|---|---|---|---|
| AAA credit / contract honour (×5) | Tianjin Pufeng Iron & Steel | Valid to 2023-10-09 | Lapsed on the scan we hold — renewal to be confirmed |
| High-tech enterprise GR202112001674 | Tianjin Pufeng Iron & Steel | Issued 2021-11-25, 3-year term | Term ended 2024-11 |
| Patent applications (×3) | Tianjin Pufeng Iron & Steel | Filed 2026-09-04 | Applications — not granted patents |
Dates are transcribed from the documents we hold. Ask for a current copy of any certificate before you rely on it.
Why publish a lapsed list
Because a buyer's inspector will find it anyway, and a supplier who quietly presents an expired certificate as current loses the whole relationship when it is discovered. A register with dates lets your compliance team make its own call, and it lets us say honestly what we can and cannot support today.
What we will supply instead
| Need | What we can provide now |
|---|---|
| Product quality evidence | Mill certificate per heat + coating certificate per batch |
| Process evidence | QC records, first-off photos, inspection pack |
| Company standing | Business licence, export registration, bank reference |
| Track record | Named projects with areas, site visits by arrangement |
| Third-party assurance | Your inspector in our works, at your cost |
A sentence we will not write
“Certified to EN 13031-1.” Compliance belongs to the design and the erected structure, and the design is your engineer's. We supply steel to that design; the certificate is theirs, not ours.
Read next
Pages that answer the question this page raises.
- 09.02Entity structureEntity structure: Tianjin XinYonSen Agricultural Technology as seller of record and Tianji→
- 08.16EN 13031-1EN 13031-1 greenhouse design standard explained: scope, loads, snow annex, and what a supp→
- 08.18Inspection checklistGreenhouse frame pre-shipment inspection checklist: documents, dimensions, coating, packin→
- Contact the sales deskContact XinYonSen: WhatsApp +86 138 2093 3987, email 2268199197@qq.com, telephone +86 150 →
NEXT STEP
Verify us before you commit
Ask for the mill certificates, the packing photos or a video call on the line. We would rather answer those questions now than after the deposit.