Since the establishment of MGHS and its holding company Beijing Huifeng Fangyuan Petrochemical Equipment Co. Ltd，relying on the mature design and advanced processing technology，we have successfully revamped and newly built more than 1000 towers for SINOPEC，CNPC，CNOOC，Shenhua Group，Yan kuang Group，etc. more than 300 petrochemical industry enterprises involving in oil refining，ethylene，air separation，fine chemistry chemical processing of coal，Pharmacy，Polysilicon, organosilicon，metallurgy and fertilizer,etc. including the design and manufacture of internals of propane dehydrogenation unit of Dongguan Grand Resource. In recent years，the company has made excellent application achievements in the construction of national key large-scale petrochemical projects and the technical transformation of energy saving and production expansion of old units. All the projects met or excelled the design requires，and won the good praise of the majority of users.