Sertipikat

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CQC-JD

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UL

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VDE-X2

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KC-JY

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ENEC-JD

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IEC--JY

TUV

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ISO 9001 2015

IOS9001

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IOS14001

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ISO 14001 2015

Agén Otorisasi

sertipikat (9)

LOA tina Polytech International INC.

sertipikat (10)

LOA of Yingdian (Shanghai) Supply Chain Co., Ltd.