Ningbo Promise Electrical Appliances Co.,Ltd is fast growing best BYD Ignition Coil Manufacturer in China and BYD ignition coil factory which is founded in 1985. We focus on developing high-quality products for top-end markets. We manufacture best BYD ignition coil which are in line with international standards,and are mainly exported to Europe, America, Japan and other destinations around the world. Mainly pecialized in the production and design of ignition coils over 30 years, covering many fields like automobile, motorcycle and shipping industry, agricultural and garden tools, etc. We also wholesale BYD ignition coil worldwide. Company has passed ISO14001 and IATF16949.