Building B, No.304 Yu Shan West Road, Shiqiao, Panyu District

Guangzhou RQH Technology Co., Ltd is located in Panyu, Guangzhou, which is the center of the Pearl River delta economic zone. Specialized in gases application systems engineering turn-key projects, in...

Shanghai Hynote Import & Export Co., Ltd is established in Pudong new area of Shanghai, the business hub in Asia, is a comprehensive trading company focusing on electronic gas, specialty gas, ...