China National Building Material Co., Ltd. (OTCMKTS:CBUMY), commonly known as CNBM, is a China-based building materials and equipment company. It operates across several segments, including cement, concrete, gypsum board, glass fiber, composite materials, and construction-materials engineering services.
The company supplies materials used in residential, commercial, infrastructure, and industrial construction. Its businesses also develop and manufacture products such as wind-turbine blades and other advanced composite materials, while its engineering operations provide technology, equipment, and project services for cement and other building-materials facilities.
CNBM was established in 1984 and is headquartered in Beijing. Through its subsidiaries and business units, the company serves customers in China and maintains international operations and project activities across various overseas markets. CNBM is affiliated with China National Building Material Group Corporation, a state-owned enterprise focused on the building-materials industry.
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