Ningbo Marshal Auto Parts Co., Ltd. is a leading enterprise specialized in R&D and manufacturing of spark plug in China. After 30 years of development, It has 70000 square meters production workshops,10 million dollar automatic equipment and its products now covering nearly 95% of models of passenger vehicle in the market, it is providing the global market with more than 300 models with an annual output of more than 80 million models in various types, which makes it to emerge as one of the most solid and developed enterprises as well as an indispensable player in the spark plug manufacturing industry chain.



The products find a wide application in automobiles, motorcycles, garden machinery, marine and industrial fields powered by gasoline, natural gas, and LPG Boasting the world’s cutting-edge isostatic pressing process for ceramics insulator, Marshal can satisfy the market’s demand for high-performance spark plug ceramics. The global advanced equipment is adopted in the whole automated assembly line, and various intelligent equipment including the German 360-degree laser welding machine and Japanese special powder filling cold lock technology are also introduced to the production process. Marshal has realized the informationization of data collection and management, which has effectively improved the stability of quality and production efficiency



Given that the quality of spark plug components is proved to be an essential factor influencing driving safety, Marshal draws on the principles of the advanced international quality management system with which its concepts of quality control are well integrated, as it puts the quality control under rigorous supervision during the whole production process. Form raw material procurement, production, testing, and to other links in the chain, Marshal has established standardized regulations with effective implementation.


Guided by the values of satisfying customers with superior products, and building an internationally respected brand, and with the hope of gaining more initiative in the auto parts industry chain by its self-developed core technology, Marshal is making headway to develop itself into a Centenary Brand.