Being supported by an highly developed and skilled IT group, we could offer you technical support on pre-sales & after-sales support for IADC617 165mm drilling bits, api drilling bit 7.5", RUBBER SEAT CHECK VALVE, oilfield drill bit,oil and gas drilling bit. Our company warmly welcome friends from all over the world to visit, investigate and negotiate business. The product will supply to all over the world, such as Europe, America, Australia,Bangkok, Lesotho,Belgium, Canberra.Our company always concentrate on the development of the international market. We've got 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.