Nanjing Kejin Tech Co., Ltd.is a special manufacturer devoting to plastic and rubber extruding and pelletizing machines. We provide many kinds of products,such as counter-rotating twin-screw extruder,co-rotating twin-screw extruder, three-screw extruder,masterbatch extruder,rubber delink extruder...We hope to share new technologies with our customers and go upwards together.