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 and tapered rods, shank adapters coupling, drag bits, blast tapping 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, q... [Detail]