Kaifeng Dongjing Air Separation Group Co., LTD(KFDJ) was founded in the last century 70' s, so far has more than 40 years of experiences in design, manufacture and complete sets of air separation, since its inception, to form a complete set of production and domestic large and medium-sized air separation equipment across the country, products are exported to foreign countries such as Vietnam, Morocco, India, Pakistan and Iran and so on. Many times obtains the title of outstanding enterprises.KFDJ can provide service industry: iron and steel, nonferrous metal smelting, chemical industry, fertilizer industry, power generation (greengen) liquefied natural gas industry, etc.KFDJ the total area of nearly 400 acres.Construction area of 58046 square meters, the workshop of 58046 square meters, research and office space of 5375 square meters, staff apartment and all kinds of auxiliary construction area of 10119 square meters.Oversize shop lifting height is 22 meters, the lifting capacity of 120 tons.The company existing 276 sets of various types of production equipment, 78 sets of various types of testing equipment.Enterprise scale and manufacturing capability are numbered among the same industry at home.Kaifeng Dongjing Air Separation Group Co., LTD ,registered capital of over 90,000,000 yuan, in recent years, with the expansion of the company's strength and size, further increasing investment funds has established the following seven subsidiaries: Heat Exchanger LTD, Air Blowers LTD, Electric And Instruments LTD, Complete Air Separation Plant LTD, Chemical Equipment Co.,Ltd,Heat Exchanger LTD, With strong technical force and manufacturing facility, the heat exchanger sector is dedicated to design and manufacture of heat transfer equipment of different types.The aluminum plate-fin heat exchangers with the characteristics of compact structure,light weight and high transfer efficiency and widely used in various industries such as gas separation plant, LNG plant,petrochemical industry,transporation and refrigeration,etc. Notably the specializing in the production of high pressure and plate-fin heat exchangers of Guangda Heat Exchanger Co., LTD of KFDJ,is one of the four major manufacturers of air separation industry that can independently produce large plate fin heat exchanger. Production capacity of 1000 tons a year. The production of more than 800 tons of plate-fin heat exchanger during 2009 and superior quality. Now the production of large high pressure plate fin heat exchanger is in the industry leading position.Air Blowers LTD,specilized in air compressor,various turbo-expanders,air blowers and non-standard machinery.YaoXing Machinery LTD,specialized in design and manufacture of reciprocating oxygen and nitrogen compressors and spare parts complete for varous air separation plants. Electric And Instruments LTD,for electrics: dedicated to design,supply,installation and commissioning of HT and LT eletric control switchgears, panels for complete electric control system.Chemical Equipment Co.,Ltd, specializing in the production of low temperature methanol washing equipment, low temperature of liquid nitrogen washing equipment ,CO purification equipment and recycling of methanol and ammonia (old plant modification) chi deflated gas and LNG etc.KFDJ has perfect quality assurance system, obtained ISO9001:2008 quality system certification, with A1 class (high pressure), A2 class pressure vessels (low intermediate pressure) pressure vessel design and manufacturing license of GC class (1) (2) (3) the pressure pipeline design license, GC2 special equipment installation modification maintenance license (pressure piping), mechanical and electrical equipment installation project specialized contracting certification, Safety production license, as the design of the air separation equipment to produce the design and manufacture of installation project has laid a legal foundation.