Ferrosilicon 75 refers to FeSiAl1.5-A (commonly known as 75A, 75# ferro silicon), which is a high-silicon ferrosilicon with a silicon content of about 75%. When producing ferrosilicon 75, like ferrosilicon 72, it is also necessary to use silica and coke a
This glasses are suitable for outdoor sports enthusiasts. It can be used for mountaineering,hiking,cycling,skiing and so forth. The design of glasses tends to be fashionable and functional, It is the best choice for people who love outdoor activities.