With the repeating turning up of the problem on the quality of the houses, people are paying more and more attention to the question of housing quality. The construction of security housing has strict quality surveillance, and the so called “exterminating the problem on the source” refers to the three backbones that guaranteeing the quality of the houses, which is reinforcing steel bar, cement and concrete. And the government should strictly control the quality problem of the three pillar industries; put an end to the incident matters like cheating on workmanship and materials and let people live at ease in the room.

In recent years, our country has issued the related policies and regulations with regard to the construction of security housing in order to strengthen and specify the distribution and management of security housing. Various regions also gradually establish and perfect the application and examination systems and promote the smooth progress of the construction of security rooms. According to the relevant information, in the past year, the actual construction of such houses was 10.43 million sets, and basically built 4.32 million set, thus completing the annual index. And this year, our country puts forward the new objective that new construction of guarantee room should be more than 7 million sets and basically completed more than 5 million sets.

All of the security rooms’ construction involves its raw materials--sand aggregate whose manufacturing has a direct link with crushing and grinding equipment. Now the excellent and professional crushers on the market in general are jaw crusher, impact crusher, cone type crusher and other few kinds. Every machine has its own advantages and unique characteristics so that the customers should purchase the equipment according to the yield to decide to buy what kind of equipment. Among them jaw crusher belongs to coarse crushing equipment, and also is the primary crushing equipment, and it is a kind of the most commonly used, the industries that has not very much demand for the grain size can choose such a machine. And one of the impact crusher belongs to secondary crushing and also fine crushing equipment, the aggregate manufactured by this equipment has the strongest ability to combine with the cement so that it is the perfect choice for building tall buildings in order to producing aggregate.

Pay attention to people"s livelihood and solve their difficulties and fundamentally serve them with the best for the people"s welfare!