As a leading ignition Coil manufacturers and oem auto ignition coil factory in China, Ningbo Promise Electrical Appliances Co.,Ltd was found in 1985. We specialized in manufacturing ignition coils more than 30 years. These ignition coils are widely used in automobile, motorcycle and shipping industry, agricultural and garden tools, etc. 1.we have mold design and manufacturing department, 90% of the ignition coil parts are produced by ourselves, to ensure the product quality and uniqueness to the greatest extent. 2.We have an automated production engineering department, which serves the production workshop and continuously updates the automated production process to ensure product consistency and cost control to the greatest extent. 3.Our next plan: we are developing digital production software for our factory to keep pace with The Times.