Densen group is committed to manufacturing of Pipe Bend, Cap, Coupling, Elbow, Reducer, Stub End, Tee, Olet, Joint, Gasket, etc. Our mission is to improve the flow control ability of oil, gas, water, steam, acid liquid and other fluid. Our operations are ISO 9001:2008 certified, and ISO 9001 requirements have been perfectly carried out in our daily management. All of our pipe fittings are subject to visual inspection, dimensional inspection, and special inspection as per customer's Request before packed and delivered. And we can deliver 3-4 40-foot container order in one week.