亚洲激情精品,欧美一级淫片免费视频黄,国产视频一,国产天堂素人系列在线视频,欧美一区黄,色五月视频,亚洲一在线

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。