... soft PU high elasticity 2.technology--PU foaming PU foam part, memory foam seat and back support cushions1.material ... 3D design for you in free of charge 2.We are able to make manual sample/model ... SBR, EPDM, IIR,NR, EP, SIL, FPM etc.2, Hardness: Between 30~90 shore A3,Property: high/low ... ” which will be supplied to customers for judgments.2, Mass production quality control2,During the mass production, ...