What's a movie about scribbling 3m Cai Ying?

Explosion-proof thermal insulation film. According to Hutu official website's inquiry, 3M Cai Ying series is the latest intelligent nonmetallic optical film, namely explosion-proof heat insulation film. Because it is a non-metallic car film and contains no metal, there is no trouble to shield electromagnetic signals. The company was established in Shanghai 20 1 1. From then on, China began to have a professional car maintenance e-commerce platform, mainly engaged in tires, engine oil, car maintenance, car beauty, car supplies and so on. , and provide customers with: online booking+offline installation.