Yongjia Dachang Metal Material Industrial Co., Ltd. is now the only specialized manufacturing enterprise that can have the whole process from melting, pressing and drawing, processing to finishing and our firm has the largest scale and the most complete varieties and sizes in China. We are the first one that has passed ISO9001 Quality certification in the line in China. Our belief Do the best; go in for excellence We produce...... Different color zipper series half round, flat top and bottom stopping wires (front and back stacking wires) Different metal / nylon reinforced and double frame zipper series half round, flat top and bottom stopping wires (front and back stacking wires) Different metal / resin zipper and automatic machine use "H" top and bottom stoppers ("H" front and black stoppers) Different metal / nylon resin zipper series "U"

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