Latest sand production line is controlled by computer. Compared with the traditional sand and gravel quarry, sand are handling automation and equipped with dust control and recover system. The production capacity is 20 to 500 ton/hours.

Kefid sand crusher using four steps crushing method to make the gravel, sand and stone powder, with an annual output of gravel, sand 2.4 million cubic meters. The production line according to customer requirements for automatic deployment of the series, you can produce in strict accordance with the requirements of the required concrete gradation adjustment mechanism models the proportion of gravel and sand. The device technology is mature, stable product quality, less angular gravel production, no flakiness, the indicators are superior to the traditional gravel equipment, greatly improving the mixing properties of concrete; sand rounded shape, graded reasonable fineness modulus of not more than 3.0.