It is estimated that the watch and jewelry sector uses over 50% of world's annual gold production (over 2,000 tons), but in most cases the watch companies are not able to or are unwilling to demonstrate where their raw materials come from and if the material suppliers use eco-friendly sourcing technologies.
据估计，钟表及珠宝行业每年消耗超过2000吨的黄金，占全球黄金产量的50%以上，而大多数情况下，钟表制造公司不能或不愿意说明其原材料的来源以及原材料供应商是否采用环保的开采方式。