Leyon Group has been specializing in providing solutions to clients in piping systems since 1996. Leyon also supplies cast iron threaded fittings and grooved fittings, carbon steel piping fittings, flanges, steel pipe nipples, flexible hose fittings, fire sprinklers, angle valves and other accessories, which are widely used for fire fighting systems. Our products are approved by UL, FM, API, CRN, NSF, Vds, LPCB, DVGW, BSI, ANSI, ANBT, TSE, SII, GOST, IATF 16949, AS4020, etc. Leyon is the qualified supplier for many large and famous companies, such as Chevron, FMG, APA, Scottish gas, PDVSA, SINOPEC, CNPC etc.