Our company is the quality first and the users supreme as the purpose, to promote development with the quality, to the credibility of the benefit.Check Valve Manufacturers has advanced production equipment, advanced testing methods and perfect enterprise standardization management system.It is the first company in the same industry to obtain the certification of TS(National Registered Safety License for Pressure Pipeline),the certification of IS9001:2000 international quality system and the national production license for industrial products 
China