... good quality with reasonable price. welcome to visit us ! We are a professional NdFeB magnets manufactory ... ,automotive and many other filds. and we assure that we can cost products with cheapest price, good ... they usually need surface treatment to protect magnet. We can offer the plating included: Ni, Zn, ... , Silver, Gold, Passivation, Epoxy Resin, etc.We are waiting for your inquiry. Arc Magnet