China's oil reserve build-up adds to global demand It plans a stockpile equivalent to 30 days' worth of imports by 2010 By Moming Zhou, MarketWatch Last update: 6:40 p.m. EDT March 11, 2008 SAN FRANCISCO (MarketWatch) -- China's plans to build its strategic petroleum reserves to at least 100 million barrels by 2010 could add more pressure to crude prices which have already been at record highs. The world's second-largest oil consumer already has built two underground storage reserves in east China and will put into use two more storage bases soon, a senior Chinese official said over the weekend,...