Die casting process will produce metal waste, die casting equipment will have waste mineral oil produced;
Grinding and polishing will have metal dust exhaust generated (this is more sensitive, Kunshan Zhongrong is this polishing with open flame to the bursting point before the explosion)
Cleaning will produce cleaning wastewater, the main pollutants are petroleum-based, heavy metals, etc.
If you need to surface treatment, it depends on the MSDS of your surface treatment agent to decide the pollutants
If there is a CNC machine for metal cutting, drilling, then the CNC cutting oil, emulsion will be the main pollutants
Of course, the machine will produce noise when running
Water, gas, sound, slag full set