China National Materials (Beijing) Testing and Certification Services Co., Ltd., in accordance with the national product certification system and product quality law and other relevant regulations, within the scope approved by the National Certification and Accreditation Administration, conduct product certification work in accordance with complete and standardized certification procedures, and comply with relevant technical specifications Or standard products are issued with product certification certificates and certification marks.

Product certification scope includes:

Chemical products: inorganic chemical raw materials, organic chemical raw materials, polymers, coatings, waterproof materials, sealing materials, chemical reagents, adhesives, rubber products, catalysts and chemical additives;

Building material products: cement, concrete, precast concrete components, sanitary ceramics, glass, building blocks, bricks, tiles, air-hardening cementitious materials, masonry materials, insulation materials, plumbing materials, roof materials, building plastics, thermal insulation materials, insulation Acoustic materials, refractory materials, corrosion-resistant materials, concrete admixtures, etc .;

Metal materials and metal products: architectural doors and windows, metal products and parts for structures (such as steel profiles, steel plates, steel pipes, steel bars, steel wires, aluminum alloy profiles, aluminum alloy sheets, aluminum alloy pipes), metal roofs, metal walls, Metal ceilings, decorative components, hardware products, etc .;

Mechanical equipment and parts: including fresh air system, electronic smart door locks, solar heat collection products, solar photovoltaic products, dishwashers, disinfection cabinets, smart toilets, water purifiers, air filters, air energy recovery devices, etc .;

Timber and wood products: including wood-based panels and wood floors (such as fiberboard, particleboard, plywood, surface decorative boards, blockboard, bamboo-wood composite boards, veneer laminated wood, laminated wood, finger-joined wood, solid wood flooring, impregnated paper (Laminated wooden floor, composite floor, bamboo floor, decorative veneer laminated wooden floor, reorganized wooden floor, etc.);

Furniture: Including wood furniture (such as solid wood furniture, artificial board furniture, board wood furniture, comprehensive furniture), metal furniture, bamboo and rattan furniture, plastic furniture, upholstered furniture (such as sofas, mattresses, upholstered beds, chairs), glass and stone Furniture, etc.