Huangshi Dongbei Mech-Electrical Group Co., Ltd is a large-scaled professional coporation in researching, developing, producing and selling refrigeration compressors. It was established in 1966. In 1994, it was reunited to be a group company And now the group is consisted of 7 share controlling companies, there are 6000 staffs including 600 technicians. The headquarter was located in the scenic spot of the well-known Dongfangshan hill and it invested two new factories in Wuhu city of Anhui province and in Daye of Huangshi city. The main product of the group is refrigeration compressor; simultaneously, it also researches and produces refrigeration equipments such as juice dispenser, ice maker, ice cream machine as well castings, solar energy products and fiber communication component. As an excellent enterprise in Chinese light industry, one of the top 85 skeleton enterprises and one of the top 50 manufacturers in Hubei province, one of the high-tech enterprise and one of the top ten taxpayer in huangshi, Dongbei group has been awarded many praises, such as national precursor in light industry, former of spot management in Hubei province, first-rank civilized unit in Hubei province. Dongbei group is the only enterprise that was awarded in the GEF project for energy-saving compressors, it was also awarded the China Top Brand and two Top Brand of Hubei province. Since 2005, the capacity of manufacturing and sales of compressor is the top one in domestic market in this line, and DONGBEI brand was awarded as the most competitive brand in the market by State Department of Business.