BEIJING - China’s crude oil output maintained steady expansion in the first nine months of the year, official data showed. The output totaled 153.75 million tonnes from January to September, rising 3 percent year on year, according to the National Bureau of Statistics. In September alone, China’s crude oil output amounted to 16.81 million tonnes, climbing 1.4 percent from a year ago and reversing the 0.2 percent decline in August.