Profile: Zhangjiagang Tongda Machinery Co., Ltd. specializes in designing and producing extrusion blow molding machine. Our fully automatic blow molding machine is suitable for producing hollow products such as plastic bottles, barrels, jars, tool-case, profiled hollow parts, hollow chairs, oil tanks for automobile, and plastic panel. We offer machines for making plastic products from 5 ml to 1000 liter, and provide machines with single-head, double-head, three-head, four-head & six-head. Our machine can make multi-layer products such as single-layer, double-layer, four-layer, five-layer and six-layer.