According to the headline report of Shanxi human resources market, Saiding Engineering Co., Ltd. was formerly the Second Design Institute of the Ministry of Chemical Industry, which was founded in 1958. Directly led by the Ministry of Chemical Industry, it is now a wholly-owned subsidiary of China Chemical Engineering Co., Ltd., a listed company directly managed by the State Council SASAC. Therefore, Saiding Engineering Co., Ltd. also belongs to the category of state-owned enterprises.