National Building Materials Testing Center is one of the national comprehensive analysis and testing center in 1984 10 menstrual former State Science and Technology Commission approved the establishment of 13. After years of continuous development and improvement efforts, has developed into a center for the entire building materials industry, engaged in building materials and inorganic non-metallic materials analysis and testing research and testing, arbitration services. Center is the only comprehensive testing capability with the building materials testing organization, is one of the National Certification and Accreditation Administration first approved by the 29 decoration materials harmful substances testing agency, the state commission designated mandatory certification porcelain tile testing laboratory, is the Ministry of Science and the State Administration of Quality Supervision, Inspection and Quarantine approved by the detection and identification of scientific and technological achievements of national testing agencies. Concrete Product testing: 1. concrete admixture: ordinary water reducer, early strength superplasticizer, retarding water reducer, superplasticizer, air-entraining superplasticizer, polycarboxylate superplasticizer, pumping agent, waterproof agents, waterproof coatings, expanders, antifreeze, accelerator, rust inhibitor, soil stabilizer, anti-corrosion * salt, mold release agents, such as concrete and steel fiber epoxy grout, polyurethane grout, cement based grout, grout and other inorganic grout material. 2. admixture: fly ash, slag powder, silica fume and various powder admixtures. 3. sand, stone and lightweight aggregate: building sand, gravel used in construction, gravel, rock highway projects, water conservancy and hydropower engineering rocks, Highway Engineering aggregate, lightweight aggregate materials such testing. 4. Inorganic material: cement stabilized soil, lime stabilized soil, cement and lime stabilized soil cement, lime and fly ash stabilized soil, cement and fly ash stabilized soil, fly ash cement and lime stabilized soil inorganic binder material stable basic items testing. 5. Mortar: masonry mortar, plastering mortar, floor mortar, ready-mixed mortar, self-leveling mortar, mortar and other polymer waterproof mortar. 6. Mix Concrete Performance and Design: plain concrete, high performance concrete, aerated concrete, lightweight aggregate concrete, steel fiber reinforced concrete, self-compacting concrete, cracking concrete, concrete, concrete waterproofing, corrosion resistant concrete, high resistance permeability of concrete, concrete permeability special concrete performance tests, as well as wear and concrete mix designs. 7. brick, tile, block: wall bricks, autoclaved lime-sand hollow bricks, perforated bricks, Bricks, concrete pavers, concrete brick, decorative bricks, slag bricks, sand-lime brick concrete small hollow block, lightweight aggregate concrete small hollow block, autoclaved aerated concrete blocks, fly ash small hollow block, fly ash brick, foam concrete blocks, GRC products. Address: Chaoyang District, Beijing Bones in One