Please kindly be noted that we are one professional manufacturer / exporter of rock drilling tools, Our main products include tricone bit(rotary bit), down the hole bits, button bits, cross bits, chisel bits, pick cutters, all steel cross bits, road picks for grader, road planning and trenching bits, drill rod, coupling sleeve, core bits, coal cutters, pick cutters, carbide tips and other rock drilling equipment, which are widely used for mineral exploration, geological prospecting, excavation engineering, tunneling, mining, quarrying, construction for road, highway, civil engineering. Being one specialist maker of rock drill bits, we have full confidence in offering you our best products with top good quality, competitive price and quick delivery. For your information only, the first piece of rock drill bit in China was made by us factory. With"SANDCO" as our registered trademark, our products sell well in domestic market and even enjoy a good sales in more than 20 countries and regions. More details, please visit our website at your earliest convenience. You can review the above items and kindly advise by return which items you are interested in. Sincerely hope that the new business relationship will be established in the near future with our mutual effort. Should you have any query or concern about our products, please feel free to contact us.