Yongsheng automobile maintenance factory. Relevant information of Haiyang Yongsheng Automobile Repair Factory shows that Haiyang Yongsheng Automobile Repair Factory is located in Haiyang Road, Haiyang City, Yantai City, Shandong Province. Haiyang Yongsheng Automobile Repair Factory has a complete and scientific quality management system and is good at automobile repair and maintenance. Is a company specializing in automobile maintenance. Haiyang Yongsheng Automobile Repair Factory is an enterprise that pays attention to development and quality. With stable and reliable product quality and good business reputation, we have won the trust of customers, followed the market development trend and constantly developed new products to meet the new needs of customers.