Taizhou Huiqiang Tianyi Technology Co., Ltd. established in 1994, specializes in all types of engine valve cotter and valve spring seat's research and production. During the production process, we have accumulated a lot of our own rich experience and formulated a set of stringent production testing standard, now our annual production has been up to 15 million sets. And also, our factory can produce various types of tensioner , sprocket, oil pump, stamped part, cold extruded part and other parts of special-shaped.