... reaches 5 thousand ton. Chaohu Jinqiao Welding Material Co., Ltd consists of following eight subsidiaries: Chaohu 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.Chaohu Jinqiao' ...