Luoyang Zhongyuan mining machine manufactor CO., LTD(Luoyang Zhongyuan crushing machine factory) is a middling substantiality corporation that professionally produces mine machine such as crushing machine, ball mill, pressing ball machine and so on. The corporation was founded in 1986, and it is in the industrial park of Luoxin in Luoyang. It covers about five acres and its construction areas cover 13, 000 square meter. It possesses 200 workers and 45 managers that contain twenty middling and advanced technicians. The corporation maily contains the departments of saling, design and manufacturing. Its ability of manufacturing is mad up of (consists of) machine manufacturing, electric welding and products assembly. It possesses more than fifty machines and the biggest ability of hoisting is 65 tons. The company has passed quality system authentication of ISO9001. It now has realized the phase of computer managing wholly. There are managing center of technique, finance and storehouse (solid storehouse).In the corporation and it carries out computer managing intelligently without paper which is the important symbol of modern company. The company arranges graduate school of designing products and experiment workshop of product performance, and can study and develop high efficiency and low consuming crushing machine, ball mill and pressing balls machine----these machine products and sets of product line according to requirement of users and characteristic of materiel, and accepts a spot of materiel of users to experiment. The company has constantly produced double tooth rollers, four tooth rollers, single rollers, double smooth rollers, four smooth rollers, single roller, strong force jaw crusher and strong force and double tooth rollers crushing machine and pressing balls machine of high pressure which takes up from to percent to 80 percent of using rate in civil market and whose standard and series are the newest and the most comprehensive since it was founded. The corporation produced four smooth rollers crushing machine of liquid pressure ( 1200*1000mm) which was the most advanced in the nation and pressing ball machine of high pressure which is of the biggest standard in our country and continuous mixing machine of dry or wet materiel having been applied for patent in 2005. The products are specially applicable to the vocations of metallurgy, coal, building materials, chemical industry, oil, electric power, carbon and so on. The corporation has provided sets of product lines and equipments for some steel companies such as Wuhan, Anshan, Shoudu, Tanyuan and so on. And south of England, west of Europe----these corporations of refractory material and some coal corporations such as Gujiao, Linfen, Jincheng, Datong and Shangjie, Yunnan----these aluminum factories total more than 100 corporations. Nowadays the products have been distributed into twenty-seven civil provinces and part products have been exported into Southeast Asia and Europe.