Our advancement depends on the superior gear ,superb talents and consistently strengthened technology forces for api tricone bit iadc117 17.5″, WCB BUTTERLFY VAVE, 311mm IADC517 drill bit, ANSI GATE VALVE,BS5163 METAL SEAT GATE VALVE. The team of our company along with the use of cutting-edge technologies delivers impeccable high quality products supremely adored and appreciated by our shoppers worldwide. The product will supply to all over the world, such as Europe, America, Australia,Japan, Sweden,California, Tunisia.We integrate design, manufacture and export together with more than 100 skillful workers, strict quality controlling system and experienced technology.We keep long term business relationships with wholesaler and distributors form more than 50 countries, such as USA, UK, Canada, Europe and Africa etc.