... )ISO9001:2008 4)Very competitiv price Custom Poly bush (for car) 1)Made of CPU, can be machined by CNC lathe ... applicationStatic and dynamic seals (standard and special), wipers, O-rings, back-up rings, flange seals, rotary seals, low friction and wear, high ... and any color accroding your request. Custom Poly bush (for car)