Good Bosch.
Sasaki spark plugs are relatively cheap, and Bosch was awarded the invention patent for high-voltage electromagnetic ignition spark plugs, which has a good reputation.
In 1902, Bosch was awarded a patent for the invention of high-voltage electromagnetic ignition spark plugs. Over the past 100 years, Bosch has developed as many as 20,000 types of spark plugs, with a total production volume of 7 billion.
A century of rich experience and close cooperation with automobile manufacturers have made Bosch the world's leading original and after-sales supplier of spark plugs. Bosch spark plugs are selected by all famous automobile manufacturers in the world. Standard configuration. In China, Bosch spark plugs that meet global quality standards have been selected as original equipment by FAW-Volkswagen, Shanghai Volkswagen, etc.