O Ring

  • Step Seal Glyd Ring Rubber O Ring

    1. Ningbo Zhonggao SealHad own mold department more than 20000 size mold , Inner diameter from 0.05mm to 1.2m, C/S from 0.5mm to 20m can be a molding for one time shape, biggest ID can made over 6m , C/S over 30m