... .03%max Size:10-50mm,90%min or10-100mm,90min We,Anyang Jinfang Metallurgy Co., Ltd,established in 1995,mainly produce ... refractory.ferro manganese is one of our most competitive products.we can supply ferro manganese of different kinds with good quality and ... annual output for ferro manganese is more than 40000 tons .We has established the long term business relationship with many steel ...