深圳市国鑫塑胶五金有限公司，是一家专业至力于３０２／３０４／４１０不锈钢钻尾螺丝的生产.在不锈钢钻尾產家中.保證钻尾質量**穩定。 Guoxin Metal Plastic Company is a high quality manufacturer of stainless self-drilling screws （SUS 302/304/410）. For stable quality we only use wire rod and machines from Taiwan to produce top quality screws in China. Compare to 查看详细 >>