- We are a leading company in automobile anti-lock break system (ABS) bearing testing equipment.- Sunjin Technology Co., Ltd is a medium-sized company that designs and produces equipment for special purposes. Our main business is the development and manufacturing of automobile ABS sensors/bearing testing equipment, encoder seal magnetization and testing equipment, robots to test non-destruction, and factory production automation facilities. In particular, we possess the capability to design machinery as well as electric and electronic circuits, and process programming and automation control.