Hanergy Thin Film Power (HTF) said it is on course to post a profit for the first six months of 2016 amid booming sales, in an apparent stark reversal of a heavily loss-making 2015 that saw its shares suspended amid a regulatory probe. The Chinese PV group said it expects revenue to double year-on-year for the first six months, thanks to a tripling of sales of its household and commercial rooftop.