1988
1988 Predecessor：Hangzhou Oxygen branch Yuhang oxygen machine factory
1995
Yuhang oxygen plant factory produce small ASU plant, mini LNG plant, Co2 plant
2011
He corporate reorganization and CYY ENERGY established
2013
2013 Because SGS qualified company, build new R&D center for high tech products, CYYGAS company founded
2014
ISO9001&. ISO 14001 qualified
2016
2016 Supply the equipments to USA, Japan, Europe, Australi.
2018
Jiaxing factory was builded
2019
Qualitied vonder for Linde, Messer