RENOSIL DOO, MACEDONIA quartz manufacturing plant, raw quartz, micronized quartz and quartz sand for production of enamel and glaze, for medicine, chemistry and metallurgy, silica sand for foundries, a part of Renova CompanyMacedonia. RAWAG EGYPT GROUP, EGYPT supplier of silica sand, bentonite, kaolin, calcium carbonate, talc, gypsum and feldspars.