The mobile phone protective film market has been developing for many years, and some testing requirements for mobile phone protective films have always attracted much attention. Especially for exports, testing is very strict. Now in the European and American markets, if you want mobile phone protective films to enter there, they must have antibacterial functions. One is anti-E. coli. The mobile phone protective film market has been developing for many years, and some testing requirements for mobile phone protective films have always attracted much attention. Especially for exports, testing is very strict. Now in the European and American markets, if you want mobile phone protective films to enter there, they must have antibacterial functions. One is resistant to E. coli...