... , machinery-manufacture, vessels and various structures of low carbon steel9, Packing in 5kgs/box,4boxes per carton, GW:22.2KG, NW ... Jinqiao Welding Material Co., Ltd, Chaohu Daqiao Nails Co., Ltd, Chaohu Yinqiao Welding Material Factory, Chaohu Jinlong metal manufacturing Co., Ltd, Hefei Yinqiao Welding Material Co., Ltd and etc ...