Aolong was established in 1985, located in Wenzhou, which is known as China Valve City.It is3 kilometers far away from Wenzhou Airport, and about 20km far away from rai lway station,so that the transportation is convenient. As a hi-tech and modern enterprise, our services covervalve's design, manufacture,marketing and after-sale service. The factory is8200sqm, and the team is very powerful including Moreover,excellent equipment, advanced manufacturing processes and improved detection methods and conduct rigorous tests are introduced to make the 100percent passing rate.We, AOLON,has acquired ISO9001:2008 International Quality System Certification and State Permits Special Equipment Manufacturers (AZ)Authorization, thus, usage quality is further guaranteed. High quality and integrity is our business philosophy, so that the enterprise is continuosly developing and has large-scale enterprise among South ZheJiang area. Globe valve, ball valve, metal seal hemisphere valve,control valve, gate valve, check valve and butterfly valve of different types.We can produce not only standard valves but also non-standard valves. Materials such as carbon steel, stainless steel, Alloy steel, monel, duplex steelThe valve material contains carbon steel and some special steel,are all can be selected as Valve material.The driving device of our valves includes lever, electric driving, pneumatic driving, gear driving,turbinedrivingandelectric-liquid driving The diameter of products range is 10mm~3200mm (1inch~128inch);the nominal pressure range is 0.6MPa~42MPa (150Lb~2500Lb); and the operating temp range is -196~815.