| Company Address： |
| No.1, Pujihe East Road, Beichen District, Tianjin 300402, P.R. China |
| Service Hotline： |
| +86-（0）22-26840419 |
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Qualification one: Business license
Qualification two: Environmental management system certification
Qualification three: Quality management system certification
Qualification four: Occupation health safety management system certification
Qualification five: The patent certificate
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