Sanquanling is different from Sanquan. Sanquanling is the trademark of Tangyuan of Sanquan Company, which is the abbreviation of Sanquan Food Co., Ltd., and Sanquan Food Co., Ltd. is a company mainly producing quick-frozen food, headquartered in Zhengzhou City, Henan Province.
Therefore, there is an essential difference between Sanquanling and Sanquan. The former is a trademark and the latter is a company.