... competitive in oversea Sanitary valves and fitting 1) sanitary valves: ball valve, butterfly valve, check valve,diaphragm valve,sample valve, reversing valve,relief valve etc.2) sanitary pipe fittings:elbow ... , flanges,solid end cap, clamp, ferrule, tube support, etc 3)sanitary accessories: tap, filter, glass mirror, manhole cover, cleaning ball, jar-top ...