The Industrial and Commercial Bank of China (ICBC) said its trade financing business has posted robust growth in the first quarter, with domestic subsidiaries conducting almost 290 billion yuan of in-balance-sheet trade financing, up 42.58 percent year on year.   Meanwhile, the bank\'s domestic branches granted nearly 30 billion U.S. dollars of international trade financing, up 160.27 percent year on year, said the ICBC, the country\'s largest lender by market value. ICBC\'s overseas branches conducted more than 16 billion U.S. dollars of international trade financing during the same period, up over 100 percent year on year, it said. By the end of March, ICBC\'s domestic outstanding trade financing reached 527 billion yuan, according to bank.