Welcome to RANIBOS CRUSHING Machinery[email protected]
The copper jacket is so thin that the penny loses the ability to retain its original shape and structure.Once you see the penny begin to shrivel, drag the slot that you made across the sand a few times, and the molten ball of zinc should come out with ease.
We are an innovative enterprise integrating R & D, production, sales and after-sales service. We have more than 60 years of experience in the field of crushing, beneficiation, sand making and building materials. We serve customers in more than 160 countries around the world.