... per MonthMaterialDuctile Iron ; Carbon SteelPressure1000psi,2000psi,3000PSI, 5000PSISeatRPTFE,Derlin,PeekPlace of OriginChinaCertificationAPI6D; PED/CE;;ISO9001:2008;TSPackingPlywood CasesWeight1.00kg to 30 ... . About US ZHENGQIU VALVE is a professional manufacture and exporter of all kinds of industrial valves, marine valves, pipe fittings, flanged, piping accessories ...