Guangdong Tecsun Technology & Innovation Co., Ltd  

Mob/WhatsApp/Wechat: 86-13415750552  

E-mail: tecsun8@tsvacuum.cn

Web: www.tsvacuum.cn  

Address: Binri Industrial Village, Duanzhou First Road, Duanzhou District, Zhaoqing City, Guangdong Province, China, 526060