To meet the customers' over-expected pleasure , now we have our potent staff to offer our great general service which includes internet marketing, sales, planning, output, quality controlling, packing, warehousing and logistics for tci 8.5 inches drilling bits factory, TCI tricone bit iadc517, HP BUTTERFLY VALVE, OUTSIDE SCREW AND YOKE GATE VALVE,FLOWSEAL BUTTERFLY VALVE. Welcome to go to us anytime for company partnership proven. The product will supply to all over the world, such as Europe, America, Australia,United States, Bangkok,Belgium, Boston.The quality of our products is equal to OEM's quality, because our core parts are the same with OEM supplier. The above products have passed professional certification, and we not only can produce OEM-standard products but we also accept Customized Products order.