Weichai Torch Technology Co., Ltd. is a holding subsidiary of Weichai Power, originally established in 1961. The company possesses proprietary R&D and manufacturing technologies for a diverse range of products—spanning multiple sectors—including spark plugs, ignition coils, mechanical seals, sensors, ceramic substrates, and specialty ceramic materials. It ranks among the top three spark plug manufacturers globally and is the largest in China, serving as a core supplier of key components to new energy (including hybrid) vehicle manufacturers such as BYD, Li Auto, GAC, and Geely. Its products are exported to over 100 countries and regions across Europe, the Americas, Southeast Asia, and the Middle East. Recognized as a National Manufacturing Champion and a National Green Factory, the company hosts the secretariat of the Spark Plug Subcommittee of the National Technical Committee of Auto Standardization and stands as a model enterprise for the "New Energy + Advanced Ceramic Materials Integration" green development model. Spark plugs, ignition coils, automotive ceramic mechanical seals, sensors, ceramic substrates, specialty ceramic materials, etc.
