堕落的圣骑士在线观看完整版未删减|尖峰时刻1完整版电影在线观看|日韩中文字幕成人免费视频|日韩中文字幕组,性xxxhd,先锋影音欧美,91日本在线播放

Main Products
Products Grade: G10B21-C、SAE10B35、QSAE10B35、Q10B33-C、G15B25M-C
Specifications: φ5.5-42mm
Applied Standard:  agreement
Characteristics: underpan and Interiors of automotive.
Applications: chassis parts
Use of Products: G10B21-C is a commen steel grade used for produce the parts of underpan and Interiors of automotive. uniform-chemical composition, low harmful elements, high purity, low decarburisation, good surface quality, good cold heading perfomence, low crack ratio ,wire rod have low hardness ,after annealing have good strength and hardenability. The series products of 10B21 (ordinary,XG,G and Q quality) is our advantage products ,it is famous in the domestic and all over the world.