The deal comes on the heels of a SFr250m contract Meyer Burger inked with an undisclosed Asian consumer in March, the largest in its history, and underscores the growing dominance of the Asian market for solar-manufacturing equipment.

Comtec, a pure-play ingot and wafer maker, saw its profits crash in 2009 as the average selling price of solar-energy products collapsed. Yet by the second half of the year, the lower prices had led to a boomerang in demand.