What are the national patents obtained by Arowana in recent years?

Arowana is an edible oil brand owned by Singapore Kwok Brothers Cereals and Oils Private Limited. The early patents were all appearance patents, and the patentee was Guo Brothers Grain and Oil Private Company Limited. Most of the patentees after 2004 are Nanhai Oil Industry (Chiwan) Co., Ltd., and the patent applications after 20 14 are as follows. For details, please visit the patent inquiry system of the State Information Bureau.