Mitsubishi Chemical Corp.(www.m-kagaku.co.jp) DNP ENTEK (www.entek-membranes.com) Dexmet (www.dexmet.com) Lamart (www.lamartcorp.com) Kobe Steel, Ltd. (www.kobelco.co.jp) CP Chem (www.cpchem.com/acetylene black/index.asp) Ketjen International