2024

Sep. A2, B1, C3 manufacturing license re-certification
Oct. Korea KGS manufacturing license re-certification

2023

Oct. ASME U, U3 certification re-certification

2022

Jun. China Classification Society (CCS) factory certification and re-certification

2021

Feb. Acquired ASME U, U3 certification

2020

May. Acquired ISO9001 quality management system certification
May. Acquired ISO14001 environmental management system certification
May. Obtained ISO45001 occupational health and safety ma

2019

Mar. Obtain the manufacturing approval of high-pressure liquefied gas tube bundle container
Oct. Acquired TPED certification

2018

May. Obtained China Classification Society factory approval certificate

2017

Jan. Obtained DOT license (including manufacturing/review)
Mar. A1, B1, C2, C3 manufacturing license re-certification completed
Sep. ASME Manufacturing License Re-certification
Nov.

2016

Jun. Obtained C2 manufacturing license

2015

Dec. Acquired KGS manufacturing license

2013

May. Obtained A1 manufacturing license

2011

Oct. Y-ton cylinder re-inspection equipment installed
Dec. Acquired ASME manufacturing license

2010

Jan. Started production of B1 cylinders

2010

Jan. Started production of B1 cylinders

2009

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

2008

Oct. Start re-inspection business with CSEI

2007

Feb. Settled down Tube Trailer re-inspect facility
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）