ProductName Zipper Chain Forming machine Brand Name DONGLING Country of Origin TAIWAN Specifications capacity:#3 185-200 yards/hr #4 210-220 yards/hr #5 220-230 yards/hr #7 230-240 yards/hr #8 230-240 yards/hr source:3 phase volt:appointed hz:appointed powerful:2hp heater:600w/ow.x2 n.weight:350kgs g.weight:400kgs