Cress Mfg. Home Cress Kilns & Furnaces Ceramics, Pottery, Porcelain, China Painting, Glass...... IMAGINE THE POSSIBILITIES! Welcome! Tools for Innovation ...... Welcome to Cress Mfg. Company, a Nevada Corporation Ceramic kilns Dual heat treat furnaces Front loading kilns Ceramic and glass kilns, Box heat treat furnaces, Laboratory furnaces , drop bottom aluminum furnaces. Welcome ! Our hours are Monday thru Thursday 6: 0 0 AM-4:30 PM. Pacific Time. Electric furnaces, annealing furnaces , hardening furnaces , glass kilns , technical ceramics kilns , quartz furnaces , assaying furnaces with vent