2009

Mar. C3 assembling certificate<br>
Oct. Second pressure cylinder manufacture line completed

2008

Oct. Start re-inspection business with CSEI

2007

Feb. Settled down Tube Trailer re-inspect facility<br>
Oct. ISO9001 standard certificate

2006

Jul. First re-inspect station completed

2005

Aug. Approval of new company establishing（Approval certificate）

2003

Jun. Approval of company establishing of Shanghai city（Approval certificate）