Just noticed today that Walmart now has Valvoline/Zerex Asian Formula on the shelves.
http://www.walmart.com/ip/Valvoline-Asian-Vehicle-Antifreeze-with-Zerex-Pre-Mix-1-gal/49660461
http://www.walmart.com/ip/Valvoline-Asian-Vehicle-Antifreeze-with-Zerex-Pre-Mix-1-gal/49660461