China National Quality Supervision and Test center for Explosion Protected Electrical Apparatus (CQST)

Address： No. 20 North Zhongjing Road, Nanyang, Henan, P.R.China 

Tel：+86 377 63258564      0377-63258639

Fax：+86 377 63208175

E-mail：cqst@cn-ex.com     intls@cn-ex.com

 

Nanyang Explosion Protected Electrical Apparatus Research Institute (CNEx)

Address: No. 20 North Zhongjing Road, Nanyang, Henan, P.R.China

Tel：+86 377 63258558 

Fax：+86 377 63225471

Zipcode：473008