Chinese companies are getting more creative in the business of money lending as they struggle to keep profits ticking over in a cooling economy, raising concerns they are adding to the mountain of debt risks building in the world's No.2 economy. _0"> Big state companies in industries struggling with over-capacity but with easy access to credit are borrowing funds, not to invest in their business but to lend to smaller firms sometimes at several times the official interest rate, part of an informal lending market in China that authorities are taking aim at. China's central bank increased pressure on banks to rein in such informal lending and speculative trading last week in money markets, letting short-term interest rates spike to extraordinary levels. In the $3.7 trillion so-called shadow banking market, the fastest growing area is in so-called entrusted loans, which are arranged by banks on the companies' behalf, and in bankers' acceptance notes, tradable