Global-Standard Testing Service Co., Ltd. 

Hotline：400-608-0036

Tel：+86-755-2785 7493

Fax：+86-755-3386 3718

E_mail：market@gstslab.com

Add：Floor 15, Building B, Chuangxin Plaza，Pingshan Avenue, Pingshan District, Shenzhen, China

HONGKONG：GLOBAL-STANDARD TESTING SERVICE COMPANY LIMITED

Tel：00852-2771-1360

Adress：FLAT/RM 904 9/F 

               PRESIDENT COMMERCIAL CENTRE
               608 NATHAN ROAD MONGKOK KL
E-mail：market@gstslab.com