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Wanhua Chemical Group Co., Ltd. (hereinafter referred to as "Wanhua chemical"), formerly known as Yantai Wanhua Polyurethane Co., Ltd., was established on December 20, 1998 with a registered capital of 80 million yuan. On December 15, 2000, Wanhua chemical successfully issued 40 million circulating shares and was listed on Shanghai Stock Exchange on January 5, 2001 (stock abbreviation: Wanhua chemical, stock code: 600309) It is the first joint-stock company in Shandong Province to be restructured and then listed.