1) Stainless steel valves, ball valves, flange connecters, gate valves, stop valves, butterfly val 1) Stainless steel valves, ball valves, flange connecters, gate valves, stop valves, butterfly valves, check valves and Y-strainers 2) Butt-welded fittings, flanges, rubber joint, single-sphere, double-sphere, twin sphere union Bend Pipe 6