Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for button bit 118mm, pdc drill 8.5", tci tricone bit supplier, roller cone factory,TCI trcione bit IADC437 in stock. Welcoming interested businesses to cooperate with us, we look forward to owning the opportunity of working with companies around the planet for joint expansion and mutual results. The product will supply to all over the world, such as Europe, America, Australia,Austria, Italy,Malaysia, Nairobi.We welcome an opportunity to do business with you and hope to have pleasure in attaching further details of our products. Excellent quality, competitive price, punctual delivery and dependable service can be guaranteed. For further inquires please do not hesitate to contact us.