Hot Melt Prepreg is a process in which a fiber or fabric of a reinforcing material to be impregnated with the resin liquid through the impregnation machine, and the resin is partially reacted (B-stage). FTC's unidirectional carbon fiber prepreg has a weight specification of 50-250g per square meter, and epoxy resin has Tg of 130°C, 150°C and 250°C. It meets UL 90V0 flame resistance resin and impact resistance resin. . The carbon fiber can be of a specification such as 24T 30T or higher.