Is China Grain Storage Oil Industry Dongguan Co., Ltd. a state-owned enterprise? What is the treatment of undergraduate graduates?

China Grain and Oil Industry Dongguan Co., Ltd. was established on August 3rd, 2006. It is a subsidiary of China Grain and Oil Industry Dongguan Co., Ltd., a company directly under China Grain Reserve Management Corporation, which means that the actual control right of China Grain and Oil Industry Dongguan Co., Ltd. lies with China Grain Reserve Management Corporation. China Grain Reserve Management Corporation is a state-owned enterprise directly managed by the State Council State-owned Assets Supervision and Administration Commission, which is also called central enterprise. Of course, Dongguan China Grain Storage Oil Industry Co., Ltd. is also a state-owned enterprise. Central enterprises are a kind of state-owned enterprises.