owing to excellent assistance, a variety of high quality products and solutions, aggressive costs and efficient delivery, we take pleasure in an excellent popularity amongst our customers. We are an energetic business with wide market for 311mm IADC517 drill bit, NRS GATE VALVE, IADC447 cone bits for drilling, drilling drag bit,api drilling bit 7.5". Within our initiatives, we already have many shops in China and our solutions have won praise from prospects around the globe. Welcome new and outdated consumers to call us for that upcoming long term small business associations. The product will supply to all over the world, such as Europe, America, Australia,Kyrgyzstan, Rwanda,Suriname, Sri Lanka.Our company always concentrate on the development of the international market. We now have a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.