http://pastport.jp/user/carbovalve ja-JP Carbo Bronze started in 1998 as a manufacturer of valves and fittings and becomes a leading company in this industry with a high reputation in the American and European markets. We designed and built a brand new automatic casting line and brought in vari 2022-11-10T17:32:51+0900 http://pastport.jp/user/carbovalve/timeline/Zhejiang%20Carbo%20Bronze%20Co.%2C%20LTD carbovalve http://pastport.jp/user/carbovalve/timeline/Zhejiang%20Carbo%20Bronze%20Co.%2C%20LTD