LEDE company design and manufacture grooved piping system jointing fittings, is a leading China grooved pipe fittings manufacturer and supplier, provide pipe jointing and flow control products of fire protection system and water work system. There are different sizes of pipe fittings for grooved piping system, made in accordance with UL, CE, ISO certificates, etc. Engineered with complete automation equipment and manufacturing expertise, LEDE company provides quality ductile iron pipe fittings as well as custom firefighting and water supply solutions based on the client needs.