Green Shengtai (Hainan) International Trade Co., Ltd. is mainly engaged in the research and development, production and sales of tungsten, molybdenum, nickel, titanium, zirconium, niobium, tantalum, hafnium, magnesium and other non-ferrous metal materials. R&D, production and sales of various specifications of plates, rods, wires, tubes, strips and foils. Production and sales of non-ferrous metal and alloy materials; rolling processing of non-ferrous metal mater...