With over 20 years of experiences in supplying grinding balls and cylpebs to the Cement factories, gold, silver, lead, zinc, copper and other metal mining enterprises, we have consistently delivered the most reliable grinding ball and cylpebs products to our customers.As a comprehensive high-tech enterprise specialized in manufacturing grading balls,we had participated in drafting the national standards GB17445-2009 of casting grinding balls ,casting grinding cylpebs. Stable quality,on time service and delivery makes us the top reliable supplier in the industry....