Ductile iron grooved fittings. 1. Coupling, cross, elbow, tee, flange, cap, mechanical tee, mechanical cross, reducer etc. 2. Certificate: FM/UL approved 3. Painting: Epoxy, galvanized 4. Pressure: 300 psi, 500 psi 5. Material: Ductile iron in ASTM A536 Standard 6. Payment: T/T L/C 7. Delivery time: With 10 days or as c We are a manufacturer for the ductile iron grooved pipe fittings with FM and UL, and we have two auto-tooling lines to keep the delivery time. We have been in this field for 6 years, and products have been exported to more than 30 countries and areas, therefore, we have enough experience in this field. I believe our Ele-ovens, testing lab, complete quality control system will make our cooperation pleasant. Please visit our website: www.100t.cc, you will get more information about our company and products. If you have any demand, please don't Let me know