TONGDA Auto Maintenance Equipment Co., Ltd in Yingkou is a high-tech industrial company with scientific research product developing manufacturing sales and perfect after-service.

• 营口市通达汽车保修设备有限公司（简称通达汽保），是一家集科研、开发、生产、销售、售后服务五位于一体的高科技实业公司，总资产上千万元。