At Trina, second-quarter panel shipments jumped 78 percent from the year-earlier period, while its operating margin shrunk to 5.7 percent from 22.5 percent.
Prices will fall further, which will spur the market to expand many-fold by 2020 because solar power will become more affordable across the world, Fang Peng, chief executive of JA Solar Holdings Co., told a conference in Singapore this week.
"The industry has a very bright future even if right now we're in winter," Peng said.