The Hong Kong-listed group had already warned of a challenging year, guiding investors to a first-half profit decline of at least 50%.
Net profits for the first six months came in at 72m yuan ($11.3m), down 83% from a year earlier, after a change in government policy last year slowed commissioning of projects.
This caused turbine sales volumes to drop 42% to 721MW, while revenues on the equipment slid 37% to 3.2bn
