How many years is the residential quality guarantee issued by the neighborhood Committee (property)?

The warranty content and warranty period indicated on the quality guarantee shall not be lower than the national regulations. The warranty period starts from the date when the developer delivers the house to the buyer. When handling the house delivery acceptance, the buyer who normally uses the house facilities and equipment must sign it. National regulations: the foundation and main structure are within a reasonable service life; Roofing waterproof for 5 years; 5 years for walls, kitchens and bathrooms; "Residential Quality Guarantee" generally stipulates that the leakage of basement and pipeline is 1 year; Wall and ceiling plastering layer falls off 1 year; The hollowing and cracking of the ground and large-scale sand removal are 1 year; Cracking of doors and windows and damage of hardware and sanitary ware 1 year; Lamps and electrical switches are damaged for 6 months; The pipeline is blocked for 2 months; Heating and cooling system equipment is heating period or cooling period; The warranty period of other parts shall be agreed by the buyer and the seller themselves and written into the project quality guarantee.