... free sample will be sent on your requirements Feature 1, Materia:NBR,CR,SBR, EPDM,HNBR,IIR,NR,Silicone,Viton, etc. 2 ... 8 years.2.Reasonable priceNote 1.Models and Logos can be Customized according to your Requirement2. we can produce according your drawings and samples. Welcome to JUST, We are the factory mainly ...