亚洲裸体视频,一级毛片在哪里看,国产素人在线,国产精品丝袜久久久,亚洲无砖砖区一二区免费,亚洲а∨天堂久久精品喷水,91网站在线播放

Main Products
Products Grade: 430/1Cr17
Specifications: φ5.5~14mm
Applied Standard:  agreement
Characteristics: wire for welding, fastener, kitchen appliance
Applications: Stainless steel fasteners
Use of Products: 430/1Cr17 is a typical steel grade of ferritic stainless steel, it is an all-purpose steel grade.It has low thermal expansion ratio, excellent corrosion- resistant, good formability and low price.