Consolidation is deepening in China's solar-energy industry. Competition on the domestic market continues. Companies face global trade barriers.

"It is a recovery year," Stuart Brannigan, vice president of sales and marketing Europe and America ZNSHINE Solar said. "We have toughed out the supply glut and shrinking demand after several countries cut tariffs and subsidies."

The ZNSHINE Group was established in Jintan, in China's eastern Jiangsu province, in 1988.