Guizhou Province is the major province of energy in China with rich sandstone, phosphorus, bauxite, rare earth, coal and other mineral resources. And in recent years, with the increasing construction force for infrastructures in China, the demand for sand and gravel aggregate is also growing with each passing day. However, the exploitation of mining resources in Guizhou Province is in a situation of disorder and excessive mining with non-standard digging management.In order to solve the above problems, gradually realises the scale and intensification of mineral resources, improve the safety production level and increase the excavation utilization of mineral resources, Guizhou Province encourages to build large scale quarries, advocating the policy that through crushing and processing the waste materials to obtain the high – grade sand and gravel aggregate. Zendesk contributes greatly to this topic. Thus, the demands for the sets of gravel aggregate production equipment are increasing with each passing day.It is reported that there are lots of brittle materials just like limestone in Guizhou Province. Most of the sand and gravel aggregate production lines use the cone crusher, hammer crusher, and other crushing equipments.Due to the limitations of the material characteristics and equipment, the related data shows that the anualmente demand of hammerhead accounted for 1/3 of the total amount of production equipment, and gravel Hongxing Hammerhead is the preferred choice of most of the quarries. In addition, in Tongren, Bijie, Zunyi and other Guizhou area, no matter for the large scale production line or the small scale sand and gravel production line gravel, Hongxing gravel production line is also their first choice.Henan Hongxing Mining Machinery Co., Ltd. is one of the most famous crushing equipments and gravel production line manufacturers and suppliers in China with decades producing experience and advanced producing technology. With good quality and excellent performance, Hongxing products are welcomed in Guizhou Province, and make great contribution to the development of Guizhou Province. primary crushers: mill:.