Sinosteel chengcheng days by the sinosteel wuhan security environmental protection research institute, united six state-owned legal person units established co., LTD., founded in 2001 and registered, the name of "wuhan day the clear environmental protection technology co., LTD.", a registered capital of 30 million yuan,. Sinosteel security environmental protection research institute in wuhan holding 18 million shares, accounting for 60.00% of the total equity.
In May 2004, approved by the shareholders' meeting review and by hubei province people's government (hubei government shares letter [2004] no. 115), orange and share, sinosteel day change of registered capital is 33 million yuan.
In march of 2005, China's sinosteel corporation and sinosteel wuhan security environmental protection research institute signed share transfer agreement, sinosteel wuhan security environmental protection research institute's day held chengcheng (a total of 9.9 million shares of state-owned equity of 30% free of charge transfer to China steel group co., LTD. After the equity transfer, sinosteel corporation holding 17.6 million shares, accounting for 53.33% of the total equity.
Approved by the 2005 annual review of the extraordinary shareholders' general meeting for the first time, the company changed its name to "sinosteel day the clear environmental protection science and technology co., LTD.".
In December 2006, the company's total share capital and share to 45 million strands. Increase endowment spread, sinosteel corporation holding 24 million shares, accounting for 53.33% of the total equity.
In February 2008, the state-owned assets property rights under the state council [2008] 196 date file request, sinosteel sinosteel day will hold the clear full ownership, sinosteel shareholding.
In September 2009, sinosteel day total equity share to 54 million strands.
In November 2013, sinosteel day by sinosteel equipment.
In December 2014, sinosteel day total equity share to 78.3 million strands.