What is the background of Sino-Greek Group and is it listed?

Sino-Greek Group is an old electrical enterprise and a leading enterprise in China electrical alloy industry, which has been listed. The president is Zheng Xuxia. China and Greece have complex shareholders, including state-owned enterprises and top 500 enterprises. Well-known shareholders include state-owned listed companies, Guiyan Platinum Industry and China Delixi Group (China Top 500 enterprises with three listed companies).