How to remove the copper green on the scrap copper zipper?

The scrap copper zipper refers to the unwanted zipper which has been scrapped. When we recycle the scrap copper zipper, how to remove the copper green on the scrap copper zipper?

Foshan Recycling Zipper

1. Brush with toothpaste.

2. Soak in vinegar for 2-3 minutes or so to clean.

Dongguan Wanjiang Guanxing Hardware Factory is a manufacturer specializing in metal zippers, metal zippers, metal zippers, inventory zippers, nylon zippers and other zipper products. Since its inception, we have always adhered to the business philosophy of professionalism, earnestness, speed, commitment, people-oriented, customer first and quality pursuit.