My name is Bruce McNeil, I am the area manager for Hylok Oceania, we are the Australian distributor for Hylok Corporation in Busan South Korea. 

Our Hylok Factory contact advise us that  your company DY-FTECH manufacture the PTFE / TEFLON that Hylok uses in their valves. 

We have a customer that has asked if the PTFE / Teflon used in the Hylok Valves' complies with the following standards:

FDA

USP CLASS VI

We would greatly appreciate any information or assistance that you may be able to provide regarding this request? Please le me know if you require any further clarification?

Kind Regards

Bruce McNeil