Why? What is the raw material of plastics? What is the process flow of the process?.
It must be injection, you see that hole, that button, can not squeeze out.
1. injection molding2., the structure is relatively complex, high appearance requirements. Extrusion does not meet requirements3. most are: ABS, ABS+PC, PP and so on4., according to color requirements granulation - drying particles - filling the mold ---- debugging injection molding machine ---- injection molding production - after the selection of finished packaging (if silk screen requirements, but also the need for silk screen)
