In the process of coal mine production, mine pressure in coal roadway is one of the important prerequisites which must be face and solve.As coal roadway bolt support technology in the downhole applications become more mature, and which provides a strong support for mine safe and efficient production , but also must fully recognize that the support of self drilling hollow bar as a systems engineering, must comprehensively consider the effect of various complicated factors, the most reliable and most economical escort bolting scheme for the underground production, it has very important significance.
Superior capability and capacity allow Metis to provide infinite solutions for your self drilling hollow bar requirements.Metis hasconcentrated on the geotechnical field and has become the leading specialist for demanding geotechnical products.We are successfully meeting the needs of engineering industries as a renowned self drilling hollow bar manufacturer.