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: ML35
Specifications: φ5.5~42mm
Applied Standard:  GB/T 6478
Characteristics: The wire rod of ML35 is mainly for the manufacture of fasteners of class 8.8.
Applications: Common partsCommon fastener
Use of Products: ML35,which have the characteristics of uniform-chemical composition, low percentage of harmful elements, high purity, slight decarburisation, good surface quality,are commen steel grade for manufacturing fasteners of class 8.8. After spheroidize annealing, this product has characteristics of good cold heading properties ,stable heat-treatment properties, good hardenability and applied in the fields of automobile and mechanic and so on.