Descriptions of Concrete Hollow Block
1. Such concrete masonry unit is made of cements and other materials with good plasticity
2. Blocks of various specifications and profiles can be available
3. The main components are sand, crushed stones, and cement, sometimes other materials can be added. The finished products are formed by vibration, molding, and curing.
4. The raw materials are readily available and recyclable, whose production is free from pollution
5. These kinds of concrete products are with advantages of economy, scientific modular design and widely utilized in construction area