免费无码国产免费172,日韩美女啪啪不卡视频,免费顶级欧美熟妇高潮xxxxx,竹菊影视一区二区在线

Main Products
high alloy corrosion resistant steel Products>> Main Products>> high alloy corrosion resistant steel
Products Grade: Cr9S,Cr11S,Cr11S-L
Specifications: φ5.5~38mm
Applied Standard:  agreement
Characteristics: steel wire , fastener, kitchen appliance
Applications: Stainless wire steelStainless steel wire
Use of Products: Cr9S,Cr11S,Cr11S-L is ferritic steel, it is an all-purpose high alloy steel. It has excellent mechanical property and a certain extent corrosion resistance.