Huaxin Instrument (Beijing) Co., a professional manufacturer with many years\' experience in precision Digital pressure Gauge, measure pump, and portable Multi-function Calibrator. Our turnover is more than RMB 40 million 2008. We have been accredited to ...

Gaotang Qianxing Precision Instrument Limited Company is a professional production tool enterprise, located in known as the township of calligraphy and painting reputation .Main productions: Granite inspection surface plates, parallel, straight ...