Chinese energy giant among 29 firms to bid for tenders in Middle East nation

China National Petroleum Corp, one of the country's oil giants, has been invited to bid for Iran's crude and natural gas development projects as the Persian Gulf state seeks investments in energy.

CNPC, together with 28 other oil companies including Total SA, Royal Dutch Shell Plc and PJSC Gazprom, are among the international companies that have qualified to bid for tenders, according to Iran's oil ministry