GB 31571-2015 Emission standard of pollutants for petroleum chemistry industry
GB 31572-2015 Emission standard of pollutants for synthetic resin industry
JGJ/T 29-2015 Specification for construction and acceptance of building surface decoration (English Version)
MSS SP-149-2023 Preformed Elastomeric and Polytetrafluoroethylene (PTFE) V-Ring Packing Sets for Waterworks Valves standard by Manufacturers Standardization Society, 2023
MSS SP-99-2023 Instrument Valves standard by Manufacturers Standardization Society, 04/01/2023
MSS SP-130-2022 Bellows Seals for Instrument Valves standard by Manufacturers Standardization Society, 01/01/2023
MSS SP-117-2023 Bellows Seals for Globe and Gate Valves standard by Manufacturers Standardization Society, 01/01/2023
MSS SP-138-2023 Quality Standard Practice for Oxygen Cleaning of Valves & Fittings standard by Manufacturers Standardization Society, 01/01/2023
MSS SP-109-2022 Weld-Fabricated, Copper Solder-Joint Pressure Fittings standard by Manufacturers Standardization Society, 12/01/2022
MSS SP-104-2022 Wrought Copper, Solder-Joint Pressure Fittings standard by Manufacturers Standardization Society, 12/01/2022
MSS SP-132-2022 Compression Packing Systems for Instrument Valves standard by Manufacturers Standardization Society, 08/01/2022
MSS SP-67-2022 Butterfly Valves standard by Manufacturers Standardization Society, 07/01/2022