Dear sir, We are a buyer of Moly Metal Scrap ,Cobalt Scrap, Tungsten Scrap .We also import spent catalyst contained Molybdenum, Cobalt and Tungsten. And we are interesting in Molybdenum concentrates, Vanadium concentrates and Tungsten concentrates. If you can supply above materials ,pls contact us. We look forward to hearing from you. Thanks and Regards Show More