SHAN JI Precision Co., Ltd. was established in 1988. SI ZHONG Precision Co., Ltd., located in Wugu Dist., New Taipei City , Taiwan (R.O.C.) ,was our first name. It was renamed SHAN JI Precision Co., Ltd. after we moved to Daliao Dist., Kaohsiung City, Taiwan (R.O.C.) in 1997. We have been devoted to producing all kinds of tooth lock washer for several decades. We provide quality guarantee for our clients with the advanced facilities and techniques.