Building materials are the general name of building and civil engineering materials, and of course there is wood.

The main building materials are structural materials including wood, bamboo, stone, cement, concrete, metal, bricks, ceramics, glass, engineering plastics, composite materials, etc. Decorative materials include various paints, paints, coatings, veneers, various tiles, glass with special effects, etc. Special materials refer to waterproof, moisture-proof, anti-corrosion, fire prevention, flame retardant, sound insulation, heat insulation, heat preservation, sealing and so on. Steel is a metal material.

Extended information:

Provisions on the administration of registration of business scope of enterprises:

Article 1 These Provisions are formulated in accordance with relevant laws and administrative regulations on the administration of business registration in order to standardize the administration of registration of business scope of enterprises, standardize business activities of enterprises and protect the legitimate rights and interests of enterprises.

article 2 these provisions apply to enterprises registered in the people's Republic of China.

article 3 the business scope refers to the business scope of an enterprise, which shall be registered by the enterprise registration authority according to law.

The applicant shall refer to the Classification of National Economic Industries, select one or more sub-categories, medium-categories or large-categories and independently apply for business scope registration. For emerging industries or specific business projects that are not standardized in the National Economic Industry Classification, you can refer to policy documents, industry habits or professional documents to apply.

the business scope of an enterprise shall be consistent with the articles of association or the partnership agreement. Where the business scope changes, the enterprise shall revise its articles of association or partnership agreement and apply to the enterprise registration authority for registration of change.

Article 4 Where the business scope for which an enterprise applies for registration belongs to the business items that must be approved before registration according to laws, administrative regulations or the State Council decisions (hereinafter referred to as pre-approved business items), it shall apply for registration with the enterprise registration authority on the strength of the approval documents and certificates of the examination and approval authority before applying for registration.

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