... in Zhoushan 2. Stainless steel heating circle Autoamtic single screw extruder mechine1,best screw made in Zhoushan2, Stainless steel heating circle3 ... ,intelligent temperature controller,solid-state relay (SSR)4,frequency controlonly for PVCPayment: The contract should be valid when we receive the ... , pay off the 60% payment before shipment. hot sale!!!!!!!automatic extruder machine for PVC