Beijing Aiyihang. Beijing Aiyihang Automobile Service Co., Ltd. is located in Huilongguan Cultural Residential Area, Changping District, and registered in Xicheng Branch. Tel: 19970925. The company's business scope includes three types of car maintenance, car body cleaning and maintenance, dynamic balance and repair of painted tires, four-wheel positioning detection and adjustment, oil supply system maintenance and oil change air conditioning maintenance, car decoration and so on.