No.4 Luotang Road, Jiangyan, Jiangsu Provine, China

We-ZD Instrument Corp, is a specialized manufacturer of Electro-Chemistry instruments. Our main products are pH meters and Waterproof pen pH Tester, Soil pH Meter, pH & EC / TDS /Temp Controll...

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...