cfhi is the largest heavy pressure vessel manufacturer in the world and is the first enterprise who breaks the technical barrier of foreign companies and produced the forging-welding hot wall hydrogenation reactor in china. the products of pressure vessels manufactured by cfhi have been supplied to all the domestic oil refining bases of cnpc, sinopecand cnooc and have taken the majority of the market share in china. the research and development of the material and manufacturing technologies for the heavy pressure vessel in cfhi have reached world class level. cfhi has manufactured the largest 2044ton coal liquefaction reactor and 1600 ton hydrogenation cracking reactor in the world successfully. the "400 ton forging-welding structural hot wall hydrogenation reactor ” was awarded the first prize for science and technology advancement. now cfhi has expanded the product fields and developed the large shell-tube type heat exchanger and eo reactor etc chemical pressure vessels and has the epc capability of coal gasification projects.