Yanggu Henglong Construction Machinery Co.,Ltd

HENGLONG is one of the world's leading manufacturers of top quality percussive rock drilling tools.Our high-performance products include TOP hammer drill bits, extension and tunneling rods,integral steel,tapered rods,shank adapters,coupling,blast tapping furnace tools,self drilling anchor tools,coal mining tools and other drill tool accessories.HENGLONG is a flexible company that puts all its efforts to developing first class rock drilling tools especially button bits.HENGLONG provides a wide range of tools to mining,construction,tunneling,quarrying,and... [Details]