Guiyang learn instrument Co., LTD. Is specialized in electrochemical analysis instruments, r&d, production and sales of enterprise, Products are widely used in power plant, chemical fertilizer...

River Village West Road, Dashi Street

Guangzhou Jubway Technology Co.,Ltd was established in 2009 in Guangzhou and specialize in water quality testing devices over 13 years. We are one professional enterprise with a combination of resear...

Yandu District

Yancheng Ding Ding Instrument Manufacturing Co., Ltd. is a professional high-tech enterprise dedicated to the research and development, production and sales of water quality analysis instrument. The m...