The seal products of Head Oilseal (www.headoilseal.com) are in strict compliance with accredited specification and requirements of ROSh, SGS, and FDA. We are the manufacturer and we can supply seal product made of best selected rubber materials of FKM, NBR,HNBR, ACM, FFKM, AU/EU, PTFE,MQ/VMQ,FVMQ, We welcome OEM/ODM orders. Head Oilseal invite you to get on our website http://www.headoilseal.com for further information. If any assistance you need from us, just call 0086-28-85737226, or fax 0086-28-85737229, or Email headoilsesl@yahoo.com.cn & jinhualee@headoilseal.com