精品文献
防火门不锈钢拉手
不锈钢拉丝型号
Stainless steel Brushed stainless steel comes in various finishes. No. 3 and No. 4 are typical. These finishes are hard to repair when scratches appears. Another brush finish is the HairLine finish. The advantage of this finish is that the grain is continuous and runs the length of the sheet. The importance of continuous long grain HairLine finish is to allow for repair of minor scratches. On