Harbin Aotong automobile electrical factory is a professional company manufacturing automotive component. This is the special company subscribe for automotive component by China First Automobile Group. The factory is located in No. 6 Wangjiang industrial garden , Daowai District, Harbin, Heilongjiang province of China. About 8600 square meters area. There are enough resources in our factory . A lot of middling engineerings, High engineerings and supervision serve for the company. There are many kinds of manufacturing facility, Check facility, Test facility and environment facility, As enough as needed . The material is selected precisely, The technic is the best and intensive. Main products are the oil ignition coils , The dry ignition coils, Engine firing module. After ten years working