پال رینگ صادراتی Stainless steel pall ring for export 1 1.5 2 5 8 inch Stainless steel Pall ring Float Valve Valve tray
pall ring for still column teg package matrial : stainless steel 304 316 316 s pall ring : diameter : 2 in (50 mm) 1.5 in (38 mm )...