FOR LINKING OF FEDEX ACCOUNT TO EBAY GLOBAL SHIPPING

HELLO 

I AM SELLING ON EBAY BUT WEIGHT RATES ARE HIGH AND I AM SHIPPING FROM FEDEX

SO COULD ANYBODY TELL ME WHO CAN HELP ME TO LINK MY FEDEX ACCOUNT TO EBAYGLOBAL SHIPPING OR MAY PROVIDE ANY MANAGER'S MOBILE NUMBER WHO CAN HELP ME ON UPON MATTER

THANK YOU