1.Professional factory 2.Material:rubber 3.Strong technology support 4.Good quality and competitive price TypeMarkRigidityHeat resistanceCold resistanceOil resistanceWear resistanceNatural rubberNR60120centigrade-50 centigradebadgoodDing nitrile rubberNBR60130centigrade-10 centigradegoodgoodPolyurethane rubberPU6080 centigrade-30 centigradegoodgood export natural rubber coated free roller, ...