Zhengzhou Gongda Mining Machinery Co., Ltd. is a joint-stock mining machinery manufacturing enterprise that integrates scientific research, production and marketing, located in High & New Technology Industries Development Zone of Zhengzhou City. In order to promote more competitive strength, we have introduced advanced production technology concepts from America, Germany, Japan and Australia. Our company provides five series of products, they are: crushing equipment, sand making equipment, concentrating equipment, grinding equipment and burning-free brick making equipment. Widely used in metallurgy, mine, chemical engineering, building materials, coal, refractory materials and ceramics industry. R type of Raymond mills are widely used for more than 280 kinds of ultra-fine powder processing like barite, calcite, potash feldspar, steatite, marble, limestone, dolomite, active bentonite, active carbon, bentonite, kaolin, cement, phosphate rock, gypsum, glass, heat insulating material and etc. Development way depends on the concept and the good product comes out of the good faith. This is the operation theory of our company from the very beginning. Many times our company has won the titles like Civilized Enterprise, Key Enterprise, Quality Standard Enterprise, and Honest Enterprise and so on. Gongda occupies market by products, creates market by service and leads market by popularity. Establish of Gongda brand for certification of users is our persistent pursuit.MainProduct竊�aymond Mill;Main fittings of raymond mill;High-strength Raymond mill;High pressure ultra-fine mill;Pneumatic separation mill;Ultra-fine mill;Electric-vibrating Feeder;Bucket Elevator;High pressure Raymond mill;High pressure overhang roll mi;Jaw Crusher;Hammer Crusher;Roll Crusher