It's Deputy Leader, Sam Basil says, the China Railway Company has been blacklisted by the World Bank, because of past corrupt practices.
Mr. Basil alleges, the company, currently working on the 2015 Games Village, has caused the project cost to rise, well over 100-million Kina.
It claims, the company is a corporate friend of the Prime Minister, who is keeping quiet on the issue.
The company is also engaged to build the new City Hall in Port Moresby.