China National Petroleum Corp (CNPC), the parent of PetroChina, said it has signed an agreement with Costa Rica 's state-run Refinadora Costarricense de Petroleo (Recope) for a JV refinery. The deal was signed during President Hu Jintao's visit to Costa Rica , CNPC said. The 25-year agreement calls for the expansion of the Moin refinery in Costa Rica and the launch of feasibility studies for a new refinery with an annual capacity of 10 million tons.