the company changed its name to hangyang oxygen plant group co., ltd.
in august 2017, 6 sets of 100,000nm³/h asu of shenhua ningmei coal were successfully started up, and the main indicators reached the international advanced water level, which became a new milestone in the technological innovation of hangyang
established specialty gas research center
hangyang proposed the development strategy of "focusing on both ends, expanding horizontally, and making high-quality products". the implementation of this strategy has enabled hangyang to form a whole industry chain that promotes and complements each other with complete sets of projects, equipment manufacturing, and industrial gas operations. transformation of equipment manufacturing enterprises to equipment manufacturing and industrial service enterprises "hangyang trademark" was recognized as "china famous trademark" hangyang shares officially listed on the shenzhen stock exchange
entered into the complete set of engineering business and established a chemical engineering company
hangyang brand large asu was identified as "china famous brand product"
in april 2003, hangyang's first gas company, hangzhou hangyang jiande gas co., ltd., was established, and the hangyang gas industry began to flourish.
hangzhou hangyang co., ltd. was formally established
undertook the first localization project of ethylene cold box
hangzhou oxygen group and hangzhou oxygen concentrator group company were formally established
the first domestically produced 30nm3/h oxygen generator was successfully commissioned, and china's oxygen generator industry was established
zhejiang iron works was established, and august 1st is the anniversary of hangyang's establishment of the factory
the ordnance repair workshop of the first division of the zhejiang army opened, which is the predecessor of hangyang
address：hongyuan building, no. 592, zhongshan north road, gongshu district, hangzhou city, zhejiang province