Zheng Zhou Dingsheng Engineering Technology Co. , Ltd is a new high-tech enterprise which specialized in researching and developing the smashing engineering technology. The product mainly developed by us includes high effective breakup, choosing, sieving, milling equipment, each new kind of high tenacious anti-friction material fitting and so on. All of which play leading roles domestically, some of which even come to the international level. General manager of the company, senior engineer Mr Lu Hongbo is vice president of china Sand Stone Association, a standing member of Abrasion Failure and Prevention Professional Committee of Chinese Mechanical Engineering Society. a member of China Metallo-graphy Anti-abrasion Material Academic Board. He is the youngest of the forty-one members in this board���¢�¯�¿�½���¦���¢�¯�¿�½���¦He leading all the other members of the company expresses the warmest welcome to the ***** you for your guidance.