After years of development, Beilai has grown into a premium domestic manufacturer of seamless steel tubes for geological drilling.
Our product range extends from DZ60 (45MnMoB) to ZT850 and ZT950 grades for wireline core drilling, including drill rods, inner tubes, outer tubes and connectors. Suitable drilling depths cover 1000m, 2000m, 4000m and 5000m. Our products enjoy high recognition among geological exploration clients worldwide.