In which year did Yankuang Guotai Chemical Ethyl Ester come out?

In 2006. Official website of Yankuang Guotai Chemical Co., Ltd. shows that Yankuang Guotai Chemical Ethyl was released in 2006, and Yankuang Guotai Chemical Co., Ltd. is a China enterprise, which was established in 2006. The company is mainly engaged in the production and sales of coal chemical and chemical products, including organic chemicals such as ethyl ester.