... against the design of customer . Primary Competitive Advantages:1, Our company has several years’s experience in ... is Verified by TÜV Rheinland and is valid for the following period: 2012/11/29 --- 2013 ... Valve & 0.5'',0.75'',1'',1.25'',1.5'',2'',2.5'',3'',4'' 2008/12/24 --- 2049/12 ... /06/12 Test Report Zhejiang Testing & Inspection Institute For Mechanical and Electric Products Quality Valve & DN15, PN20 ...