... certified, they have rubber refine machine, precision performer, vacuum vulcanizing press, injection machine, frozen trimming machine, automatic oil seal lip ... , air conditioner seal, HA vacuum cleaners etc- All kind of material: Silicone, PA, Viton, EPDM, Nitrile etc. or ... molded parts for electronic or electric appliance by all kind of material, Nylon, ABS, bakelite, polyoxymethylene etc1. Mechnical ...