Zhengzhou Longding HeavyIndustry Machinery Co., Ltd.is the leading manufacture of crushing andscreening machine in China.We are subordinate to Zhengzhou Institute ofMultipurposeUtilization of Mineral Rseources CAGS and China NationalEngineering Research Center for utilization of Industrial Minerals. So we arefamous for senior experts and experienced workers. The main products of ourcompany are jaw crushers, hammer crushers, impact crushers, ball mills, rodmills, vibrating screens, sand makers, sand washers, magnetic separators, SFflotation machines, conveyors, elevators and spiral classifiers. The quality ofour products all reaches ISO9001 standard. With the advanced technology, we arethe leading manufacturer of mining machinery in China