It can be filled in according to its specific business. The following is a detailed classification of the business scope: the business scope of construction enterprises: building materials, consumables, stainless steel products, aluminum alloy products, chemical raw materials and products (except dangerous goods), building waterproof materials, cement products, thermal insulation and anticorrosion oxygen coatings, thermal insulation materials, waterproof and leakage-proof materials, pipelines, valves, etc. In fact, the industrial and commercial departments now pay little attention to this kind of thing. With the in-depth development of market economy, industrial and commercial departments rarely manage it so carefully. What you said is that during the planned economy period, the industrial and commercial departments were very meticulous in management and could not exceed the approved business scope, otherwise they would be punished. At present, in the business scope column of many licenses, except those prohibited by the state, special licenses are required. Do you understand? First floor, second floor, look carefully. The license is for selling building materials, not for production and processing. Selling aluminum alloy profiles can make do, and processing is a standard out-of-range operation. Yes, doors and windows belong to building materials and hardware @ @ @ Yes. Do you make your own wholesale and retail food or buy it from an outside store and sell it in your own store? Because according to Article 29 of the Food Safety Law, those who engage in food production, food circulation and catering services shall obtain food production licenses, food circulation licenses and catering service licenses according to law. & ltbr/>； & ltbr/>； If it is a self-employed business license, the procedure is convenient. If it is an enterprise, it needs more information, and the procedure is relatively complicated. Steps and information shall be subject to the local industrial and commercial department.