Zhejiang Kangjun Machinery Co., Ltd. development and production of the high speed extrusion composite unit. It is widely used in thermal film, instant noodle packaging, food packaging, milk drinks, aseptic packaging, boiled bag, toothpaste sheet composite, high grade digital photo paper, paper cups, paper, kraft paper, such as all packaging and product single-sided, double-sided laminating and multi - layer coextrusion composite.