Banks claims on other banks in China increased for the financial sector from 25% in 2009 to 43% of total loans. The risk is that many of these claims are credit extended to China's shadow banking system which makes loans to property developers and other high risk borrowers. In this situation the non performing loan ratios released by the large Chinese banks and the core capital adequacy ratios are not a good measure for protection from risk in China's banking system and conceal hidden risks. Bank of China's nonperforming loan ratio fell to 0.94% in June from 1% at the end of 2011, and its core capital adequacy ratio moved from 10.08% to 10.15%. Orlik cites China bank analyst at Fitch, Charlene Chu, abut claims on banks having less regulatory risk weighting and thus concealing risk, which makes capital adequacy ratios inadequate to cope with the amount of real risk in the bank's loan portfolio. Just as happened in Spain after decades long boom and sense of safety in the banking system, problems were lying below the surface and the situation can change rapidly. ...