china shandong zhangqiu donghan casting and forging joint-stock co., ltd. is one of the largest manufacturers and exporters for grinding steel ball in China, the annual production output is 50,000 metric tons, Our products are mainly exported to the USA, Canada, Chile, South Africa, Italy, Greece, Korea and Japan more than 30 countries and regions in the world. Our products have obtained ISO 9001 ---2000 International Quality System Authentication, and also our company has passed ISO14001--2004 Environmental System Management Authentication, and High-tech Enterprise of Shandong Province; our products are famous brand of Shandong especially our grinding steel ball are famous brand products in Shandong. We hold the only grinding steel ball automatic production line of roll forging machine in China which we develop and create by ourselves. The raw materials that we use are high quality alloy steel. The hardness of grinding steel ball is high and steady, and also toughness is good through controlled by equipment. The quality of our products can meet different requirement of clients in different countries and regions. We welcome customers both at home and abroad to come to negotiate business with us, we sincerely promise you. We are trying our best to supply you with high quality products , reasonable price , timely delivery with satisfactory service as the basis of our long-term cooperation. Insisting on the theory of "Credit Goal, Quality Life, Market First, Customer God " Our company is establishing the largest professional producing and exporting base in China, which include grinding steel balls and wrought iron products. ”Winning on quality, making up to the world” is our eternal promise.