902, 6 Block, Dahai Garden, Luotian Street., Baoan 83 Area, Shenzhen, Guangdong, China

We are a high-tech enterprise integrating research, manufacturing, marketing and engineering service of industrial automation products. The main products we are manufacturing are all types of pH meter...

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...

changping district, Beijing, Beijing, China

Beijing Huakeyi Power Plant Instrument Research Institute(referred as Huakeyi ), with its headquarter in Beijing, the Capital of China, was founded in 1995, which is a high-tech joint-stock enterprise...