Which is better, Guangzhou Denso or Wuxi Denso spark plug?

Guangzhou Denso spark plug is better. Guangzhou Denso spark plug is made of high-quality ceramic material, which has high heat resistance and high insulation, and can ensure stable operation in high temperature and high pressure environment. Adopt precision manufacturing technology, including high-precision turning and grinding, and strict quality control to ensure that the size and accuracy of each spark plug reach the highest standard. The ordinary ceramic material of Wuxi Denso spark plug has average heat resistance and insulation. The split design makes the spark plug structure complicated, inconvenient to install and replace, and will reduce the durability and reliability of the spark plug. So Guangzhou Denso spark plug is good.