RENQIU CITY SIFANG BICYCLE'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 trade.she was founded in 1993.specialized in manufacturing various middle,high grade bicycle B.B.axle.and Cups,electric bicycle B.B.axle,ball retainers and saddle.we purshased many sets of high precision machine and heattreament electric furnace which made by taiwan sanyung corporation in order to open high quality ...
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