Where do you come from? can a toddler take benadryl and tylenol together Shuanghui International is an offshore holding company,whose main asset is a 73.26 percent stake held directly andindirectly in Shenzhen-listed Henan Shuanghui Investment &Development Co, China’s largest meat processingcompany. Henan Shuanghui had a market value of $15.3 billionbased on Monday’s close.