The reason why Nangang sold Suqian Jin Xin.

There are several reasons:

1. Strategic adjustment of the company: Due to the strategic adjustment of the company, Nanjing Iron and Steel Co., Ltd. may need to divest Suqian Jin Xin business section in order to better focus on its core business areas.

2. Liquidity of funds: Nangang may need to sell Suqian Jin Xin due to liquidity problems, so as to better solve the company's liquidity problems.

3. Risk control: There may be some risk problems in Suqian Jin Xin. Considering the overall risk control needs of the company, Nangang decided to sell Suqian Jin Xin.