[化] 金属加工; 金工
1. 金属加工：金属粉末 metal powder | 金属加工 metal processing | 金属螺旋浆 metal propeller
2. 金属加工废水：电镀废水 Elecro-Plating Sewage 化学凝集 Chemical Slurry 1.5~2.5 3.0~5.0 72~84 | 金属加工废水 Metal-Processing | 化学凝集 Chemical Slurry 2.0~4.0 3.0~5.0 66~84
1. It was supervised by the State Environmental Protection Administration for polluting nearby rivers and stopped processing heavy metal pollutants in 2007.
2. Chinalco is eyeing the company's alumina and other metal processing business, it said.