国产午夜一级,欧美三级午夜理伦三级在线观看,国产精品另类激情久久久免费,一级毛片免费高清,99精品黄色,日韩超级大片免费看国产国产播放器,亚洲精品日韩一区二区电影

Main Products
Products Grade: 304M2,304M3
Specifications: φ5.5～7.5mm
Applied Standard:  agreement
Characteristics: cycle spoke wire and other small gauge wire,Spring wire
Applications: Stainless steel wire
Use of Products: 304M2,304M3is a low-cost stainless steel。It is in the shape of low Ni to reduce the cost and arise N to keep the tensile strength。