... :9001:2000 "China assured " Material:vermicular iron Hebei Zhixin Machinery Manufacture Group Co., Ltd. based on coke oven care equipment, metallurgical equipment, machine ... plant, three branches(Cangzhou Zhongbo Heavy Industry Machinery&Equipment co,Ltd.Cangzhou Zhibo Machinery co,Ltd. And Cangzhou Xinghe Machinery&Castings Co,Ltd) with a total area of 140 ...