A.CE, UL ,ROHS, EEC full certificationB.Electric bicycle ,Electric motorcycle,Electric scooter,Electric tricycleC.24v,36v,48v electric bicycle. 48v/60v/72v/84v Electric motorcycle,Electric scooter,Electric tricycle-What we doWe know well the problem your customers are facing in traffic when you go to office ,go back to home, riding to market etc. We always aim to offer you the best products at most economic cost. Sunrisest electric bicycle can help your save time when you ride to office, save place when you park your electric bicycle, save your energy when you are tired. -How we help save your cost. Electric bicycle running speed is 24-30km/h, electric motorcycle speed is 35-100km/h. We can according your requirements to customize it. And choosing electric bicycle or electric motorcycle ,you don’t need to pay for the oil and the battery can charge in the office or home easily. We produce the motor ,controller by ourselves , we can control the cost.-How we help for your businessProfessional engineer: Our engineer specialized in electric bicycle , electric motorcycle since 1999. They have about 20 years experience. If you have any professional after sales service, we can give you the best solution. We are available online 16 hours per day.Each question will give your the fastest reply within 24 hours. We are always to do long time and win-win business.