... 3.ROHS,ISO9001,14001 4.Sample or drawing welcome Red Rubber suction cup 1. Main materialNeoprene(CR),also can use Natural rubber ... , building vibration isolation and other industry. For example, air blower, water pump, instrument, measuring of ships and so on.7. Main ... information:.Material ( if you don't know ,let me know the use).Hardness or duro.Tolerence.Color.Quantity Red Rubber suction cup