● Product description Qinggong brand QZF series column with more stable form Fang Lizhu, lifting structure of theworm-gear drive system,the lifting machine is more stable,the control system adopts two high-power inverter,so that the machine and edge folding machine speed control is simple,the synchronous effect is more obvious.The column can be mounted type DS-9,type GK68-9 overlock sewing machine,GK35 series overlock sewing machine,GK35 series overlock sewing machine,at the same time supporting with type 4900 and type 6900 folding machine to use,can realize the conveyor belt,folding machine,seam sewing work synchronously,convebient operation,high efficency,wide range of use.
