After a rash of wind turbine malfunctions, China is to revise (ie raise) its standards for wind turbine production.
This is significant because Chinese wind power has long been half the price of Western competitors, but also less reliable. However, even the best Western small turbines are relatively unreliable, so if China raises its standards, it will become competitive.
China
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| GBRI142620U bearing | 22.225 | 41.275 | 32 |
| GBRI122416UU bearing | 19.05 | 38.1 | 25.65 |