The extruder, barrel, and screw of this unit are made of 38CRMOAL alloy steel, which has undergone nitriding treatment and precision machining. Used for the production of express bag roll film
“Excellent reputation, first-class quality, and excellent service”are oureternal purpose and goal.Ruian Songsheng Machinery is willing to work hand inhand with domestic and foreign customers to create a better future.





