Norman Technology

accessories black oxide cadmium plating car parts cast irons to stainless steels to aluminums casting chemical film finish connectors custom o rings custom painting custom products custom rubber parts diaphrams dust covers epdm elastomers forging grease seals hnbr heat treat and water quench lip seals magnetic inspection mechanical seals neoprene nickel plating nitrile oil coating oil seals passivation penetrant inspection phosphate plating powder coating precision machining precision parts rubber parts seals silicone solid film lubricant stamping teflon seals viton washers wiper blades zinc plating and to other forms of metal products  gaskets  precision machining Show more