HC series parallel Twin-screw Extruder is the extruding equipment with high-effciency of mixing and smelting. Its core section is composed of "OO" type cylinder and two screws which mesh each other. The screw and cylinder are specially designed flexible to be easily adjusted, Different screw and cylinder can be choosen according to different material characteristics. Good capacity of mixing, separating, dewatering and self-cleaning avoids the material jam in extruding process. By rotation of the screws, the material are well treated, dissolve at a high speed.