We-zd instrument co. Is a specialized manufacturer of electro-chemistry instruments. Our main products are ph meters (series) nutra-wanad ec / cf / ppm meters, dds-ec (ms / cm) conductivity meter, ph,...

417-53 Samnak-dong, Sasang-gu

marine equipment, insulator,...

Liushi

Yueqing Haixin Electronic Technology Co., Ltd. Is a professional manufacturer of digital meter, temperature controller, volt, current, transducer and microprocessor integrated protection device, locat...