Millisecond delay technology of high step and deep hole is the first application in China, it offers a realistic method for high step exploitation of middle and small scale limestone mine.
According to the Production of limestone mine of China Resources Cement (Guigang) Limited, introduced the principle, construction method and effect of the new interval charge technology.
The two estimations indicates there are large amount of limestone mineral resources in Guangxi.
Measurement of vibration caused by blasting in limestone mine
