We have developed stable sources of supply for non-ferrous and ferrous ores, concentrates and refined metals backed up by long term contracts with major metal suppliers and mining companies.

• 在货源方面，我们的有色和黑色金属矿、精矿和精炼金属有稳定的来源，托克上海与国内主要金属供应商和矿业公司都签订了长期协议。