Our company has a military background, it possesses the manufacture licenses of  cng cylinder for grade B1,B2,B3,D1 and 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 have been awarded quality prize,provincial famous brand and famous trademark at the Provincial and National Level.

The brand "Silver Arrow" has been awarded as" Hunan Famous Trade Mark". These cylinders are insured for product liability by PICC Property and Casualty Co. Ltd.  Its performance stirctly based on the international standard ISO11439:2000 and America/Canada standard ANSI/CSA NGV2:2000.