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ISO9001
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CE
![](/public/uploads/20200915/25cfcc03d28f2a44a05c8f874b040877.jpg)
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API-6D
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TS
![](/public/uploads/20200915/d45c2ffbff0b9c3e7f4bbed86b406c52.jpg)
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Certificate of production safety standardization
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Certificate of Classification Society
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API-607
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Environmental Management System Certification
![](/public/uploads/20200915/2029ba04c9e3d748ba39a0d1084c41bf.jpg)
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Intellectual Property Management System Certification
![](/public/uploads/20200915/504bcd66162de4e30b3e78b426b626ad.jpg)
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Occupational Health and Safety Management System Certification
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Standardize good conduct certificates
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Zhejiang Manufacturing Certification