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...

No.4 Lutang Road, Jiangyan, Jiangsu Province, China

We zd instrument factory, is a specialized manufacturer of electro-chemistry instruments. Our main products are ph meters and waterproof pen ph tester; nutra-wand t. D. S meters, ec check, cf check, p...