Lianqiang Company has successively passed and obtained the certification of the quality management system ISO9001:2008 standard from the quality management system certification agency, and the production license (certificate number: XK06-007-00147) issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China.

The company has a professional sealing test center and various professional experimental instruments, such as pump sealing test bench, kettle sealing test bench, dry gas sealing test bench, overspeed test bench, etc., which can meet various technical research and development tests, ensure product quality testing, and operate under conditions that can meet different working conditions such as high pressure, low temperature, high temperature, and high speed as needed. Data collection and analysis are automatically carried out according to data usage programs