Coir, ggbs, mirco silica
Gypsum
Silica sand
Quartz
Ball clay
Quartz
Rock phosphate
Sodium silicate, precipitated silica
China clay
Zeolite
15.000 mt rock phosphate
China clay
Ukraine clay
Quartz lumps
Alumina, ball clay, china clay, mullite, spinel, sillimanite, diaspore, pyrophyllite
Bleaching earth
Quartz
Graphite and machinery parts
Sulphur, roch phosphate
Phosphate rock