As a China shoe machine barrel screws manufacturers and extruder replacement parts factory, Zhoushan Changjia Plastic machinery Co., LTD located in the middle of Jintang Island of the city of Zhoushan. Which is known for its multiple isles and the production of screw rods. The Company relying on a strong technical force, advanced process equipment, abundant experience, realistic and innovative style, considerate and fast service, is providing its users with products of reliable performance, good quality and reasonable price. The Company has been committed to research and development and innovation.