Yonsha produces many kinds of ring suction cups , CD suction cups, DVD suction cups , CD suction pads, ring vacuum cups, DVD vacuum pads. Closed-ring sucton cups, half-ring suction cups, ring suction cups with spring mounting, ring vacuum cups with antistatic material. It is available for all common CD types. Robust and hard-wearing suction pads with single sealing lip, without nipple. The neck of the pad is shaped so that it can be inserted directly in various mountings.