Kaiyuan Chemical Machinery Manufacturing Co., Ltd is Tieling Shuangbai project enterprise, is the domestic supercritical extraction equipment leader, is also the first domestic production of polysilicon reduction furnace enterprises. The company has A1A2 class pressure vessel design and manufacturing license, mainly engaged in non-standard pressure vessel design and manufacture. The main products are: carbon dioxide supercritical extraction (dyeing, drying, foaming) equipment, polycrystalline silicon reduction furnace, reactor, high pressure storage tank, heat exchanger, tower and so on