... bike:Hebei zhengyu tyre Co.,Ltd is a company specialized in R&D,producing,and marketing bicycles and bicycle accessories. As a professional ... mountain bicycles,folding bicycles,BMX,child toy and other related bicycle accessories,such as pedal,saddle,crank,etc.To guarantee high ... is able to produce and market 600,000 pieces of bicycle and bicycle accessories every year.And our products have been exproted ...