1.over 20 years of experiences 2.Advanced ... .Elastic stiffness, Strong plasticity under the high hardness, moderate grain force, high roughness, low cardamine.Good wear resistance, ... clean, bright white grain of rice, pure color quality.Products technical indicators:Tensile strength: Mpa/2mm 25.2 ... A90-95degree BrandRoaring Lion, QiaoWang,Yashi,OEM High Quality Rice Paddy Machine Rubber Roller