This is Huanggang Customs.（或者welcome to Huanggang Customs,）
please keep all your luggage（或者belongings） go through Customs,
after going-through,please get back on the vehicle,which is parked on the right of entrance,the vehicle's license plate number is xxx
楼主有几个地方需注意,海关一定是名字在前,例如Shanghai Customs；
车子不一定就是bus,用vehicle比较好；大门外的右面,不是outside the gate of the right.是right of the gate,车牌号不是
bus number.