国产一级精品成人久久av无码免费,日韩在线看片中文字幕不卡,中文字幕在线激情日韩一区,日韩欧美成人免费中文字幕,国产精品一区二区免费看,日韩欧美一区二区三区在线视频,中文字幕在线免费视频,中文字幕精品视频在线观看,国产日韩不卡免费精品视频,日韩中文字幕电影在线观看,91精品乱码一区二区三区熟女精品,亚洲欧洲在线观看精品,日韩中文字幕福利电影

Main Products
Products Grade: QSWRCH10A-B
Specifications: φ5.5-42mm
Applied Standard:  agreement
Characteristics: underpan of automotive.
Applications: chassis parts
Use of Products: QSWRCH10A-B is a commen steel grade used for produce the parts of underpan of automotive.uniform-chemical composition,low harmful elements,high purity,low decarburisation,surface quality and dimensional accuracy is the highest level of our company,good deformation ratio and low crack ratio.