Dalian Dragon Bearing Co., Ltd. established lays particular emphasis on research and manufacture of extra-large bearing and precision bearing, relies on regional advantages of "Bearing Capital of China", takes full advantage of industry experience and personnel network which are accumulated for many years, organically integrate superior resources, devotes to providing products and services with high added value to customers, comprehensively meets the demand of customers in iron-rolling mill industry; provide repair service of imported bearing and extra-large bearing to customers, to effectively lower procurement cost of customers; be responsible for international propaganda and promotion of WZZZ brand for rolling mill bearings and run import and export business of WZZZ Company.