BEIJING (AP) — On a seaside field south of Shanghai, workers are constructing a nuclear reactor that is the flagship for Beijing's ambition to compete with the United States, France and Russia as an exporter of atomic power technology. The Hualong One, developed by two state-owned companies, is one multibillion-dollar facet of the Communist Party's aspirations to transform China into a creator of profitable technology from mobile phones to genetics. In the case of nuclear reactors, industry experts say China is underestimating how tough it will be for its novice exporters to compete with the foreign companies that helped create its industry, given the political hurdles, safety concerns and uncertain global demand following Japan's Fukushima disaster. [...] deals usually involve financing packages from state banks, a model that has helped Chinese companies break into the market for building highways and other public works in Africa and the Middle East. The Hualong One under construction in Fuqing, near the southeastern city of Fuzhou, is a hybrid created by CGN and its main rival, China National Nuclear Corp.