Produktcertifikat CQC-JD UL VDE-X2 KC-JY ENEC-JD IEC--JY TUV Systemcertifikat ISO 9001 2015 IOS9001 IOS14001 ISO 14001 2015 Autoriseret agent LOA for Polytech International INC. LOA fra Yingdian (Shanghai) Supply Chain Co., Ltd.