Ningbo Jinyi Mechanical & Electrical Co.,Ltd.

We r professional manufacturer of screw barrel ，injection molding machine screw barrel , extruder machine screw barrel, rubber processing machine screw barrel, twin conical screw barrel, twin parallel screw barrel, high wearing resistant screw barrel ,bimetallic screw barrel ,screw barrel assembly parts.If u have any interest and inquiry for items ,pls contact me directly.My email is export at jinyiscrew.com ,msn is challychen at hotmail.com .