G.T. International Co., Ltd, located in Guiyang, a major city in southwest China, professionally designs, manufactures and sells rock drilling tools. The main products include rock drill rods, rock drill bits, pneumatic breakers, hexagonal hollow steel, round hollow steel, blast furnace oxygen pipe and furnace tap-hole drill steel.
    We regard quality as paramount and have a research & development department managed by a nationally famous expert in the field of rock drilling tools. To meet the requirements from abroad and the domestic market, we constantly improve the quality of our products and develop new products.
    After many improvements, our SANDCO Brand drill rods are widely used in India, Turkey, Vietnam and the Middle East, and have a good reputation. Our ROK Brand drill rods, our best products, are anufactured with a new process which can prolong rod life to drill synthetic rock.