Preflex, Evonik, Miracema.
Clariant, Lithos, BetaQuímica, Bretano, Tricon Energy, Evonik
Lithos, Evonik, Schlenk
Evonik
Evonik, Lithos
Preflex
W Abrasives
Evonik, Preflex, Miracema, Glassbeads/Ballotini, Basf/Lorama