Company Description
Sunprogress International Ltd sunprogress ltd. (*****) .is a professional trading company specializing in non-ferrous metallurgical products We are a group of companies, are holding the number of factories�So we could guarantee the good quality and competitive price Main products as follows: 1.Silicon metals: 553/441/421/411/3303/2202 ***** ingots: 99.9% 99.95% 3.Alloying element additive: Mn , FE , Ti, ALTI5B1