1. The cement bag is well packed with complete marks. The marks on the paper bags are: manufacturer's name, production license number, well-known brand of concrete, trademark registration, type and model, packing year, month, day and serial number. Different kinds of cement are marked with different colors. Kunshan plant decoration using local cement and appropriate new cement.

2, high-quality real concrete with fingers twist concrete powder, feel a small amount of fine, sand, powder, indicating that the cement fineness is normal.

3. Under normal circumstances, the color of high-quality cement is mainly gray.

4, high quality cement does not contain moisture and agglomerate, but hardened cement can not be used for factory decoration.