SYMON GLOBAL – Products Piping Materials. 1) Pipe (different type and grade) 2) Fittings 3) Valves 4) Flanges 5) Traps & Strainers 6) Pipeline Equipment 7) Bolts & Nuts and Gaskets Piping Materials. 1) Pipe (different type and grade) 2) Fittings 3) Valves 4) Flanges 5) Traps & Strainers 6) Pipeline Equipment 7) Bolts & Nuts and Gaskets