Water-saving standard
The Chinese government has established national standards and specifications regarding the use of water-saving taps, shower outlets etc. in order to protect the environment.
The national standards GB 25501-2010 and GB 28378-2012 stipulate the following flow rate requirements:
| Product | Grade | Flow rate |
| Basin faucet | 1 | 6.0 l/min |
| 2 | 7.5 l/min | |
| 3 | 9.0 l/min | |
| Kitchen faucet | 1 | 6.0 l/min |
| 2 | 7.5 l/min | |
| 3 | 9.0 l/min | |
| Shower | 1 | 4.8 l/min |
| 2 | 7.2 l/min | |
| 3 | 9.0 l/min |