Ningguo Zhongyi Wear-resistant Material Co., Ltd. is a scientific wear-resistant material new-type enterprise integrating wear-resistant material technology, grinding technology, independent research &development capacity, production, equipment manufacturing and technical service. The company mainly provides superior wear-resistant materials and also provides liner, partition board as well as hammer, etc. Additionally, the company implements structure design and debugging of technological parameters of the grinding system by uniting famous design institutes in China to attain the purpose of increasing comprehensive benefits, like production, electricity saving, specific surface of cement or fineness of mineral powder, reducing ball consumption and extending the service life of the liner, etc. the company stresses quality and credit in the hope that it could provide superior services for the honest and faithful clients.

The company covers about 27000 square meter with an annual output of 1.6 thousand tons of wear-resistant ball and cement and mine accessories with featured products including high chromium wear-resistant ball (max content of 30% chromium, max HRC69, V-shaped queko impact toughness 1.3KV2(J)), steel ball, cylinder and composite hammer exported to more than 20 countries and regions, like Russia, Egypt, South Africa, Bangladesh, Korea and the Middle East, etc.

Our products and service
Grinding balls:
   High chrome cast grinding series (Cr10-30%)
   Middle chrome cast grinding series (Cr3-10%)
   Grinding capsule ball and ellipse (Cr0.5-30%)
   Mining Machinery Parts:  
Compartment series
   Hammer series
   Liner series
Technical services:
   Grinding ball weight ratio optimization
   Mill reforms
   Cement and mine parts design  
   Parameter setting of the grinding system