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China National Building Materials Group Corporation (CNBM)  China National Building Materials Group Corporation (CNBM) was established in 1984 with approval from the State Council, and then became a Central Enterprise under direct supervision of State-owned Assets Supervision and Administration Commission of the State Council in 2003.  Upholding the philosophy of “Making Best Use of Resources to Serve Construction”, and vigorou...

National Roofing Contractors Association (NRCA)   National Roofing Contractors Association (NRCA) is one of the construction industry's most respected trade associations and the voice of roofing professionals and leading authority in the roofing industry for information, education, technology and advocacy. Founded in 1886, NRCA is a nonprofit association that represents all segments of the roofing industry, including contractors ...

China National Building Waterproof Association   Approved by China National Building Materials Industry Bureau in 1984, our association is registered with China Civil Administration Ministry, directed and supervised by the State Assets Administration Committee of the State Council through China National Building Materials Industry Association and China Civil Administration Ministry Observing the National Constitution, the state laws...

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