All kinds of specifications could be made by different requirements. 1) Available material: Materials for silicone, fluoro silicone, viton (FKM), neoprene, HNBR, NBR+PVC, NBR, natural rubber, SBR, IR, IIR(butyl rubber), CR (neoprene), EPDM, SBR, AU, ACM and CO 2) All manufacturing processes confirm to the ISO-9001: 2000, 3) Excellent chemical and physical property 4) Advanced production line 6) Color and shape can be changed upon request 7) We are able to design and manufacture complete sets of rubber parts based On customer's specifications 8) Accept customer's design and specifications 9) Available in various sizes and colors.