Purpose:
It is suitable for jewelry processing industry, and is suitable for mold holding, polishing, grinding, carving, sanding, grinding and other operations. In work, in order to prevent dust from being inhaled by human body and causing bad harm to human body, to avoid dust flying everywhere, and to avoid gold powder, silver powder and various precious metal dust flying away and wasting, various precious metal powders can be recycled in cloth bags, and then the cloth bags can be melted. Without wasting and harmless to human body! The exhaust fan of 12V transformer is equipped with independent switch and built-in protection device. In order to ensure the convenience of use, a melt glue is used on the exhaust fan with elbow to ensure the sealing effect.