Tianjin TRS Import & Export Trading Co., Ltd. is a professional supplier of Tricone bits, PDC bits, Assembled bits and other drilling accessories used for oil field, gas field, mine, water well, geologic prospecting, geothermy developing, hydrological detection, construction and underground foundation. Various models and dimensions are available. We also import junk or secondhand tricone bits and PDC bits. Our products are exported to North America, South America, Europe, Africa, the Middle East and other regions around the world. Our products meet ISO9001:2008 & API standards and the bit of international general type with IADC coding standards. For many years, we have established a professional team for technical support and after-sales service, and our favorable price and high quality have won good reputation from a lot of clients all over the world. Our purpose is to sell the products with best quality at the lowest possible price. We welcome new and old customers to visit us and discuss cooperation!