high quality pyrite for making Resin-bonded grinding wheels and The Brake lining
Offer Description - high quality pyrite for making Resin-bonded grinding wheels and The Brake lining
Pyrite used for the making of the Resin-bonded grinding wheels and The Brake lingings . S 48%min Fe 43%min We are one of the biggest pyrite products manufacturer in China. Our main products are high quality ferro sulphur/ p
