HANGZHOU HANGYANG CO., LTD. is principally engaged in the manufacture and distribution of air separation equipment, industrial gas and petrochemical devices. The Company provides air separation equipment, including large- and medium-sized air separation sets and small-sized air separation devices; industrial gas products, including oxygen, nitrogen and argon, among others, as well as petrochemical devices, including ethylene cold boxes, liquid nitrogen washing cold boxes, natural gas liquefaction and separation devices, liquid petroleum gas storage and distribution equipment, among others. Through its subsidiary, the Company also involves in the material processing business. During the year ended December 31, 2009, the Company obtained approximately 86.6% of its total revenue from air separation equipment.