Composite conveying roll
Die for press-molding optical element
Die for press-molding optical elements
Glass container forming mold
Glass molding die
Material and method for coating glass forming equipment
Metal mold for glass forming
Method of producing protective coatings on metal parts to be use
Mold for forming glass and method for forming glass
Mold for molding glass having a nickel and graphite surface coat
Mold for press-molding glass elements
Press-forming die for glass elements
Quartz glass crucible for the pulling up of silicon single...