Tuff has passed ISO9001:2015 quality management system certification, high-tech enterprise certification, 3A enterprise credit certification, currently has 11 utility model patents.
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| Standard: | quality management system certificate |
|---|---|
| Number: | 18519Q11010R0S |
| Issue Date: | 2019-12-04 |
| Expiry Date: | 2022-12-03 |
| Scope/Range: | engineering machinery accessories manufacturing |
| Issued By: | National Standard Integration(Beijing) Certification Co.,ltd. |