2022surname Nian

2022surname Nian

Sektor Gas Technology (Shanghai) was established. Henan Jindi Deep-Cooling Gas Co. Rare gas refining project in Henan put into production

2021surname Nian

2021surname Nian

Jiangxi base project put into production The second air separation project of Henan base was put into production

2020surname Nian

2020surname Nian

Jiangxi Jiujiang base with an annual output of 100,000 tons of liquid carbon dioxide, 600,000 m3 of carbon monoxide project put into construction, Henan Xinlianxin Deep Cold Energy Co., Ltd. to form the three major production bases in Xinxiang, Xinjiang, Jiangxi Jiujiang

2019surname Nian

2019surname Nian

Henan Xinxiang Base Electronic Grade Carbon Dioxide Project Put into Operation The second air separation (80,000Nm3/h) project of Henan Xinxiang Base was put into operation. Henan Xinxiang Base Gas Cylinder Inspection Station Project Started Henan Xinxiang Base Sulfur Dioxide and Carbonyl Sulfur Project was put into construction.

2018surname Nian

2018surname Nian

Xinjiang base air separation project acquisition success Henan Xinxiang Base Air Separation (80,000Nm3/h) Project was put into construction. The second phase of the special gas project was completed, and the annual production capacity of carbon monoxide reached 3 million m3. Wholly-owned subsidiary Jiangxi Deep Cooling Gas Co.

2017surname Nian

2017surname Nian

Establishment of wholly-owned subsidiary Henan Deep Cooling Gas Co.

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