Shijiazhuang shiji Technology Co., Ltd. Is committed to continuously discovering the value of resources and abides by the commitment of sustainable development. Its business scope includes daily necessities, scrap copper, copper wire, copper cathode, aluminum ingots, aluminum rods and so on. Aluminum scrap. Aluminum alloy, zinc ingots. Zinc alloy, magnesium ingot, lead ingot. Cobalt powder. We are a professional production and sales of metal materials industry suppliers. In the non-ferrous metal industry has more than 10 years of work experience, the company philosophy: integrity, cooperation, win-win, friendship first, reputation first.