38CrMoAlA Twin screw barrel

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{"cid":"109323","pid":"21271062","pimg_url":"\/\/img1.b2bforus.com\/c8\/dc\/9a472e263fb7\/product\/70861250_s-w400xh400.jpg","name":"PA\/PET\/PP\/PE\/XLPE barrel\/masterbatch Tongda in twin screw and twin screw extruder twin flat parallel screw barrel twin barrel","attrs":{"Price":"Negotiable","MOQ":"1.0 Sets","Delivery Time":"Negotiable"}}

{"cid":"109323","pid":"21271056","pimg_url":"\/\/img1.b2bforus.com\/c8\/dc\/9a472e263fb7\/product\/70859572_s-w400xh400.jpg","name":"UPVC\/PP\/PE Pipe and Profile Production Tongda Double Screw PVC Extruder Industrial Twin Conical Twin Screw and Barrel","attrs":{"Price":"Negotiable","MOQ":"1.0 Sets","Delivery Time":"Negotiable"}}

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