... .Two professional factories since 1996 4.ISO 9000,CCIC,CIQ Silicon Metal Lump1,Factory price 2,Strict quality control low P ... %min or as the client's requestWe are professional manufacturer of silicon metal in china,mainly producing 553,441,2202,3303,we ... Contact PersonShani HuangE-Mail Direct Line86-0596-2053289Cell18960100572 Metal suppliers of silicon 553/3303/441