Kaifeng DEAR air separation Industrial Co., Ltd. is a design, R & D, processing and manufacturing enterprise of all kinds of complete sets of air separation unit. It has a large number of outsourcing requirements for various products, materials, components, etc. supporting the air separation unit. It involves compressors, refrigeration unit, heat exchangers, pumps, liquid storage, various materials, instrument and electrical unit, components, various packing accessories and other products. The details of air compressor bidding can be viewed in the procurement bidding.