PVC Series Injection Molding Machine Pvc Series Inj Moulding Mach,Pvc Pipe Injection Moulding Machines,Pvc Pipe Making Machine,Pvc Injection Molding Machine Ningbo Jietan Machinery Equipment Trading Co., Ltd. , https://www.jietanmachinery.com Mineral name Re content, % Molybdenum ore and copper molybdenum ore 0.0002 Copper concentrate 0.005~0.009 Chalcopyrite concentrate 0.001~0.03 Tungsten-molybdenum deposit molybdenite ore 0.0016 Molybdenum concentrate 0.001~0.2