Material ratio: cement: yellow sand: the weight ratio of bean stone is roughly 1:2-3:3 because of small surface area leveling and no vibrating bar vibrating plate, so yellow sand is not easy to be too small. Otherwise, there will be a lot of void in the solidified concrete.

We are the source manufacturer, the price, quality is not comparable to general home decoration company, large quantity discount, welcome to consult the order.

Taobao ground heating with pestle 99% from Nanjing, Jiangsu, Zhejiang, Shanghai, Shanghai, Anhui and other places with pestle, almost all of the past from Nanjing, we are manufacturer's products, welcome to consult.