We've one of advanced generation tools, experienced and qualified engineers and workers, recognized good quality manage systems and a friendly skilled product sales workforce pre/after-sales support for IADC517 4 5/8 drilling bit, RUBBER COATED CHECK VALVE, STAINLESS STEEL SEAT CHECK VALVE, GGG40 Y strainer,tri cone bit IADC437. We have expanded our business into Germany, Turkey, Canada, U. S. A. , Indonesia, India, Nigeria, Brazil and some other regions of the world. We are working hard to be one of the global suppliers. The product will supply to all over the world, such as Europe, America, Australia,Panama, Curacao,Turin, Kazakhstan.We'll continue to devote ourselves to market & product development and build a well-knit service to our customer to create a more prosperous future. Please contact us today to find out how we can work together.