Group overview

Cooperative partner

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YIHO keeps close relation with many of industrial and commercial enterprises, engineering and research institutions, construction companies and research universities in china, as a jointment of technology, manufacturing and trade business.


China United Engineering Corporation

Hualu Engineering Corporation.

China North Industries Corporation

Haohua Chemical Science &Technology Corp.,Ltd

Liming Research Institute of Chemical Industry

Southwest Research&Design Institute of the 

 Chemical Industry

Zhejiang University

Hangzhou Hangyang Co.,Ltd

Sichuan Air Separation Plant(Group) Co.,Ltd

Zhejiang Supcon Technology Co.,Ltd

Atlas Copco 


Hanwha Power Systems CO.,Ltd.