... , high safety and high efficiency, this double–head cutting saw is one of essential uPVC profile cutting equipment.Remarks: Patented ... ZL 2004 2 0052847.6Features:High accuracy through hard-alloy saw bladesThe two working head can work individually or simultaneouslyMeet ... . And the main uPVC window machines include uPVC profile cutting saw, uPVC window welding machine, CNC corner cleaning machine, etc. ...