The suspensions will be an embarrassment to the Chinese government, which has faced allegations that its no-strings attached lending to other developing countries has weakened efforts to fight corruption.
Senior Chinese officials have warned that future investment in the developing world, especially in Africa, could be threatened if Chinese companies do not take steps to reduce corruption and adopt more socially responsible behaviour.
The bank submitted evidence to Philippine anti- corruption investigators in November 2007 of three rounds of alleged bid-rigging on projects tendered between 2003 and 2006, but the office of the ombudsman has yet to conclude its probe. It declined to comment yesterday.