The challenge of sand and gravel industry as follows:

Sand as the main development direction of the sand and gravel industry is facing “more without big, big but not strong, “the status quo, and this situation is difficult to be changed in quite some time, industry concentration is low, uneven development in general.
In the highly competitive modern society, science and technology R & D and innovation capability, less independent intellectual property rights, technical contribution rate.

Henan Liming Science & Technology Co., Ltd. has been aware of these huge challenges, we will technological innovation, scientific research as the direction of development.