HangZhou GuanHao bicycle industrial CO.,LTD was founded in 1988 with registered capital of 10 million RMB.GuanHao is the OEM bike and electric bike manufacturer.Covering an area of over 10MU.The bikes had Passed CE and ISO9000.The major market is Europe,USA,North of Amercian,Korea and Japan.Our prdouction include medium and high grade Electric bicycle, mountain bike,city bike,folding bike,chopper bike,racing bike,BMX and fixed gear bike!