We owns nearly hundreds of high-quality material formulas, main material contains NR, NBR, XNBR, PU, SI, VITON(FKM), CR, EPDM, SBR, IIR, FVQM, AR(ACM,AEM) etc. All products obey the DIN, JIS, ASTM, UL, FDA, NSF, WRAS, DVGW system strictly. We can also design the special formula for special use as on your request.