国色天香手机视频免费网|汤唯色戒床上未删减版|91视频大全|在线免费成人,不忠未删减完整版电影,久久性天堂,伊伊亚洲综合人网777

Casus Products>> Casus

  The QS45C-C is a dedicated material for shaft and rod, which is mainly used to produce piston rod of automobile shock absorber, Engine gear ring and other products. The piston rod customer reflected that our QS45C-C has stable composition, uniform organization, low inclusion content, good surface and cutting performance, and meets the requirements of the final product.