(Telecompaper) ZTE reported a return to net profit in the third quarter, ending the losses of the first half of the year from the US ban on business with the company. The Chinese company reported a net profit of CNY 564 million, on revenues of CNY 19.3 billion for the three months to September. ZTE said it also increased R&D investment to 17.9 percent of revenue, from 11.2 percent a year ago, equal to a total CNY 3.47 billion in spending.