Confidence comes from strength, and strength casts perfection

1984：·Established Wenzhou Longqiang Dairy Machinery Factory
2001：·Obtained (Longqiang) trademark certificate
2004：·Construction of headquarters building and new production workshop
2008：·Built a non-destructive testing room ·Obtained a radiation safety permit ·Obtained ISO 9000 certificate
2009：·Obtained D-class pressure vessel manufacturing permit renewal·Established pressure vessel system ·Obtained a national high-tech enterprise certificate
2011：·Renewed the (Longqiang) trademark certificate
2014：·Obtained safety production standardization certificate·The company purchased 9771.96M2 of land at Wudao 682, Kaifeng District. The office building and production workshop were built.
2015：·Passed the second national high-tech enterprise re-certification ·Obtained ISO 9000 certificate
2016：·Acquired the ASME certificate of the United States of America
2017：·Obtained AA company in Wenzhou City ·Passed the second radiation safety license
2018：·Zhejiang Famous Trademark Certificate ·Wenzhou famous brand ·Passed the second time the national D class pressure vessel manufacturing permit re-certification ·Obtained ISO1400 certificate ·Passed safety production standardization certificate for the first time·Obtained 18 utility model patents during the effective period