HJ/T 248-2006 Specifications for environmental protection product Multi-layer filter

CJ/T 3041-1995 The filter manganese ore for water treatment CJ/T 43-2005 Filter material for water treatment GB/T 10801.2-2002 Rigid extruded polystyrene foam board for thermal insulation (XPS) GB/T 10801.2-2018 Rigid extruded polystyrene foam board for thermal insulation(XPS) GB/T 11901-1989 Water quality—Determination of suspended substance—Gravimetric method GB/T 11911-1989 Water quality—Determination of irom and manganese—Flame atomic absorption spectrometric method GB/T 12152-2007 Water for boiler and cooling system—Determination of mineral oil GB/T 1220-1992 Stainless steel bars GB/T 1220-2007 Stainless steel bars GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 4237-1992 Hot rolled stainless steel sheets and plates GB/T 4237-2007 Hot rolled stainless steel plate, sheet and strip GB/T 4237-2015 Hot rolled stainless steel plate,sheet and strip GB/T 6388-1986 Transport package shipping mark GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 709-1988 Dimensions, shape, weight and tolerances for hot-rolled plates and sheets GB/T 709-2006 Dimension,shape,weight and tolerances for hot-rolled steel plates and sheets GB/T 709-2019 Dimension,shape,weight and tolerance for hot-rolled steel strip,plate and sheet JB/T 2932-1999 Water treatment equipment technical specifications JB/T 4711-2003 Coating and packing for pressure vessels transport GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 10801.2-2025 Rigid extruded polystyrene foam(XPS) board for thermal insulation