Renqiu City Sifang Bicycle&＃039;s Main Axles Factory is sited in Renqiu city, next to Beijing, the capital of CHINA, and the seashore city Tianjin, having an easy water and land traffic and international ***** was founded in 1993, specializing in manufacturing various middle, high grade bicycle B.B.axle.and Cups, electric bicycle B.B.axle, ball retainers and saddle.We purshased several sets of high precision machine and heat treatment electric furnace which was made by Taiwan Sanyung corporation in order to open high quality products market and increase competition ability. It has the abundance and advanced technology and its annual production capability reach to 10 millions sets. The quality system adopted is of international standard and an ISO9001:2000 certification was granted by British National Quality Assurance Company(NQA).our corporation has self-operate import and export ***** products not only supply domestic and Taiwan famous bicycle and electric bicyle factory, but also were exported to countries and area in Southeast Asia, Japan, South-American, Europe *****