Daim ntawv pov thawj

Daim ntawv pov thawj khoom

CQC-JD

UL

VDE-X2

KC-JY

ENEC-JD

IEC--JY

TUV

System Certificate

ISO 9001 2015 Daim ntawv pov thawj

IOS 9001

IOS 14001

ISO 14001 2015 Daim ntawv pov thawj

Tso cai Agent

LOA ntawm Polytech International INC.

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