Swp series crushers are mainly used to recycle every kind of waste plastic, modle 160 and 320 are used to break plastic film, knitting bag, thin and long bibre, theadlike thing, model 880 and 500Q  are used to break large  plastic board and hollow vessel, model 400 and 630 are used to break plastic window and door profle, model 500Z is used to break big block and thick boards.