Views:58 Author:Site Editor Publish Time: 2011-10-08 Origin:Site
1, it will be changed that small-scale production enterprises occupy the main market, it restricts the development of industry and technological progress.
2, it is difficult to develop new sintering hollow products. In the vast rural market, clay solid brick still is the main body.
3, it is lack of strength on new product development and technology innovation. high grad and high strength brick is still scarce in the market.
4, backing-free brick will quickly development in some areas, but it has quality problems and no marking regulation, it will bring safety problem.