With the advantage of manufacturing cost, the domestic complete set of air separation plant has developed well, and the production technology level has reached the international advanced level. Kaifeng DEAR air separation industry Co., Ltd. is located in Kaifeng City, the ancient capital of seven dynasties. The company was established in 2004, formerly Kaifeng Air Separation Group Instrument Co., Ltd. We are committed to the R & D, manufacturing, installation and gas supply of complete sets of air separation plant and spare parts.