FOR DECADES China has put overseas capital to work. Officers inspired Western corporations to commerce expertise for entry to its huge market, serving to to construct up Chinese language rivals that had been usually higher and at all times cheaper. They started transport items westwards. The ensuing “China shock” is commonly blamed for inflicting financial dislocation and despair in America’s industrial heartlands. Now, nevertheless, it’s China’s flip to fret about offshoring. Its producers are chickening out.