Since January 1, 2006, all the four types of water appliances purchased and used in the construction, renovation and expansion of buildings in Beijing, such as showers, faucets, toilet systems and toilet flushing valves, must meet the standards for water-saving domestic water appliances . This is a reporter learned today from the City Construction Committee. Violators of the provisions of the appliance design unit to be punishable by 100,000 yuan 300,000 yuan fine, resulting in losses, according to the law to assume liability for compensation; construction unit will be subject to the contract price of 2% to 4% fine.