Our company insists all along the quality policy of product good quality is base of enterprise survival; buyer fulfillment will be the staring point and ending of an company; persistent improvement is eternal pursuit of staff and also the consistent purpose of reputation very first, shopper first for NICKEL PLATED DISC CHECK VALVE, Tricone rock bit 8.5", Tricone drill bit IADC517, ANTI-CORROSION VALVE,HDD REAMER. We have experienced manufacturing facilities with more than 100 employees. So we can guarantee short lead time and quality assurance. The product will supply to all over the world, such as Europe, America, Australia,Italy, Provence,Finland, Spain.We have 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export products to other countries. We expect to cooperate with you to develop a larger market.