1948-02
1958-06
1992-01
1996-01
2017-08
1948-02
The establishment
The time of liberation in Yuncheng was 1947, in February 1948 the Lu salt administration, which is the origin of Shanxi coking coal yuncheng Yanhua group established.
1958-06
Set up Yuncheng Yanhua bureau
1958 June set up Yuncheng Yanhua bureau, achieved the leap from a single salt production to both production of salt and mirabilite.
1992-01
Set foot in daily chemical products
In 1992, Yuncheng synthetic detergent factory and Haizhou chemical factory merged into Yuncheng Yanhua bureau, adding barium sulfate chemical products, and enter into the daily chemical industry based on the production of detergent.
1996-01
Walk to the nationwide
In April 1996, Yuncheng Yanhua bureau joint four domestic enterprises established Nafine Chemical Industry Group Co., Ltd., and issue A shares in April 1997, and gradually developed into a company that cross ten provinces and cities.
2017-08
New product release
The news conference of KEON’s new product the SUPERMICRO series was held in Xi’an ,China in August,2017.