Our company take the aole agency of brand "Shangmei" "Zhukai" "Canghuang" "Dageda" "Bububao" and so on registere in China BRAND BUREAU, manufacture HUB spindle, exles, chainwheel, crank ETC. Hundred series of parts and children cycle, children safe chair(have special model made to order), the product configuration is rational, chosen material is superior, firmly and durable, with advanced manufacture arts and crafts, technology power abundant, with complete inspect equipment, with preciseness quality control, supply the procut qith good quality low price to customer, productions matched use with many whole bicycle factories, sale to everywhere of whole country and export to some countries and area.