Second-ranked China Construction Bank (CCB) plans more than 300 billion yuan of debt-for-equity swaps in the first quarter alone, its president, Wang Zuji, told reporters on Thursday. Earlier this week, Agricultural Bank of China (AgBank) Â said it was in talks to undertake more than 20 debt-to-equity deals after signing agreements with eight companies worth around 70 billion yuan. MARGIN SQUEEZE At ICBC, net interest margins (NIM) - the difference between interest paid and earned, and a key gauge of bank profitability - fell to 2.16 percent at end-December from 2.18 percent at end-September, after Beijing's six successive benchmark interest rate cuts in 2014-15.