DONGFANG YOYIK ENGNIEERING CO;LTD （hereinafter abbreviated to YOYIK）is specialized in manufacturing the spare parts for power plants, steel mill, including steam turbines, generators, boiler, hydro turbines, hydro generators, babbitt bearings, Fluorine plastic bearing pads, filters, filter elements, hydraulic valves, hydraulic pumps, EHC, TSI, MEH, DCS, excitation system, hydrogen oil water system, sealing compounds, insulation materials, sales the spare parts of DEC, HEC, ceramic-lined steel pipes, coolers, repairing electric motors, etc. YOYIK have provided the spare parts for Dongfang Steam Turbine works（DFSTW）, Dongfang Electrical Machinery Co;Ltd (DFEM) ,China National Erzhong Group Company Ltd（CNEG）as well as the numerous coal-fired power plants, hydro power plants, the steelmills, cement plants, etc.