Regulatory requirement: prohibition in a concentration equal to or above 25 ppb of PFOA including its salts or 1,000 ppb of one or a combination of PFOA-related substances.-PFOA, its salts and PFOA-related substances are prohibited to be used on part/product(For more detail list of PFOA related substances, refer to the appendix)Object : The companies that use Teflon and Fluoric rubber material on the partRequest: Re-distribute that prohibition of use on PFOA and related substance to the raw material companies that are currently trading