Our company possesses the manufacture licenses of pressure vessels for gradeB1,B2,B3,D1and D2,as well as perfect quality control system.the safety technical index have reached a leading level both in China and in the world with being approved by ISO9001:2000,ISO/TS16949:2000,DOT, BV,TUV and TC.The products has been awarded quality prize,provincial famous brand and famous trademark at the provincial and national level.