Machinery exports expanded for a 13th straight month last month, but the industry is facing unpredictable challenges relating to China’s power rationing and a stronger New Taiwan dollar, the Taiwan Association of Machinery Industry (TAMI, 台灣機械公會) said yesterday. Exports grew 28.1 percent to US$2.69 billion from a year earlier, but were 9.3 percent lower than the previous month, TAMI statistics showed. For the first nine months of the year, outbound shipments increased 29.2 percent to US$24.21 billion in US dollar terms, but expanded at a more moderate 21.5 percent to NT$679.92 billion in NT dollar terms as the local currency appreciated against