Sètifika

Sètifika pwodwi

https://www.jec1988.com/product-certificate/

CQC-JD

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UL

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VDE-X2

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KC-JY

https://www.jec1988.com/product-certificate/

ENEC-JD

https://www.jec1988.com/product-certificate/

IEC--JY

TUV

TUV

Sètifika sistèm

https://www.jec1988.com/system-certificate/

ISO 9001 2015

IOS9001

IOS9001

IOS14001

IOS14001

https://www.jec1988.com/system-certificate/

ISO 14001 2015

Ajan otorize

sètifika (9)

LOA nan Polytech International INC.

sètifika (10)

LOA de Yingdian (Shanghai) Supply Chain co, Ltd.