ENLARGE Out of 71 nuclear reactors being built globally, China is constructing 26. The Hongyanhe power station was one of the first to come online in China after the Fukushima disaster. Zuma Press BEIJING—When a unit of North Carolina’s Curtiss-Wright Corp. won a roughly $300 million deal in 2007 to supply components for new reactors in China, industry officials trumpeted China’s nuclear boom as good for U.S. business. Today, Chinese companies are competing for that business—and foreign companies risk getting left out. Meanwhile, Curtiss-Wright’s contract is caught up in a legal dispute, while Chinese authorities blame the company in part for the delay of a landmark nuclear project. U.S. and other foreign companies are now struggling to keep their hold in China, the industry’s biggest growth market and a rare bright spot more than three years after the Fukushima disaster in Japan put many of the world’s nuclear projects […]