The plastic strand pelletizer machine and system consists of a die, water-cooling chamber and pelletizer. Plastic materials are melted and discharged through the die in cylindrical shapes. Operating personnel then guide the cylindrical plastic materials into the water chamber for cooling, then into the pelletizer for the pelletizing process. Suitable for the modification and granulation of thermoplastic filling. Its simple structure, operation & maintenance convenience, as well as low production cost, makes it the go-to production process for most plastic materials. Suitable for most plastic materials.