Competition is even more important than size. Only when there are a large number of suppliers at all processing stages will there be a boom in innovation. In Ch

Competition is even more important than size. Only when there are a large number of suppliers at all processing stages will there be a boom in innovation. In China, this applies to both the PV industry and the wind industry. In the case of PV, a large proportion of the primary products are traded via commodity exchanges. In the case of wind power, 12 manufacturers now offer systems larger than 16 MW.