Profile: Jinvee Fluid Equipment Co.,Ltd. specializes in providing valves, fittings and components. We serve several industries such as hygienic & sanitary process industries, including food, dairy, beverage, brewing, cosmetic, biotech and pharmaceutical industries. Our products include sanitary stainless steel manhole covers, pressure manhole covers, circular manhole covers, oval manhole covers, rectangular manhole covers, stainless steel valves, butterfly valves, ball valves, check valves, diaphragm valves, _pressure relief valves, anti-vacuum valves, sampling valves, tank bottom valves, pneumatic angle seat valves, stainless steel fittings, butt weld fittings, clamp fittings, pipe hangers, sight glasses, and spray balls. Circular manhole covers are outward openings and access points that allow users quick, easy & convenient to entry into & get out of tanks in the food, dairy, beverage, biotech & pharmaceutical industries. Circular manhole covers are suitable for use under low pressure and vacuum conditions.