3208909022 Chinese tariffs HS code Polyimide solution and polyimide resin solution for integrated circuit production that meet the following criteria simultaneously: volatile organic compound content>700g/L, viscosity (25 ℃) of 2500-3000mPa · s
Polyimide solution and polyimide resin solution for integrated circuit production that meet the following criteria simultaneously: volatile organic compound content>700g/L, viscosity (25 ℃) of 2500-3000mPa · s