2025-12-15 216.73.216.89
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 44328-2024 Heptafluoroisobutyronitrile 315.0 via email in 1~5 business day valid,,2025-3-1
GB/T 43976-2024 Electronic gas—Tetrafluoromethane 255.0 via email in 1~3 business day valid,,2024-11-1
GB/T 43977-2024 Electronic gas—Octafluorocyclobutane 255.0 via email in 1~3 business day valid,,2024-11-1
GB/T 5275.1-2024 Gas analysis—Preparation of calibration gas mixtures using dynamic methods—Part 1:General aspects 435.0 via email in 1~3 business day valid,,2024-10-1
GB/T 35861-2024 Gas analysis—General quality aspects and metrological traceability of calibration gas mixtures 315.0 via email in 1~5 business day valid,,2024-10-1
T/CI 478-2024 Specification for quantitative risk analysis of supercritical carbon dioxide pipeline 495.0 via email in 1~5 business day valid,,2024-9-2
GB/T 43362-2023 Gas analysis—Gas chromatography with micro-cell thermal conductivity detector 270.0 via email in 1~3 business day valid,,2024-6-1
GB/T 43306-2023 Gas analysis—Sampling guidelines 630.0 via email in 1~5 business day valid,,2024-6-1
GB/T 43361-2023 Gas analysis—Analytical methods validation for hydrogen fuel in proton exchange membrane(PEM) fuel cell applications for road vehicles 300.0 via email in 1~5 business day valid,,2024-6-1
GB/T 43094-2023 Trans-1-chloro-3,3,3-trifluoropropene[HCFO-1233zd(E)] for industrial use 320.0 via email in 1~3 business day valid,,2024-4-1
GB/T 42721-2023 Electronic specialty gas―Nitric oxide 225.0 via email in 1~3 business day valid,,2024-3-1
GB/T 42720-2023 Electronic specialty gas―Hexachlorodisilane 255.0 via email in 1~3 business day valid,,2024-3-1
GB/T 5275.6-2023 Gas analysis―Preparation of calibration gas mixtures using dynamic methods―Part 6:Critical flow orifices 435.0 via email in 1~5 business day valid,,2023-10-1
DB34/T 4532-2023 Guidelines of management system assessment for safety valves calibration agencies via email in business day abolished2025-11-12,,2023-8-31
GB/T 5275.2-2022 Gas analysis—Preparation of calibration gas mixtures using dynamic methods—Part 2: Piston pumps 435.0 via email in 1~5 business day valid,,2023-7-1
T/CIECCPA 022-2023 Technical specification for carbon dioxide products via email in business day valid,,2023-6-12
GB/T 41757-2022 Hexafluoropropylene oxide 225.0 via email in 1~3 business day valid,,2023-5-1
GB/T 41328-2022 Biogas-based natural gas 120.0 via email in 1~3 business day valid,,2022-10-1
GB/T 41326-2022 Hexafluorobutadiene 255.0 via email in 1~3 business day valid,,2022-10-1
T/ZSM 0004-2022 Boron trichloride used for industry via email in business day valid,,2022-6-1
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GB/T 44328-2024 Heptafluoroisobutyronitrile 
  Issued on: 2024-8-23   Price(USD): 315.0
GB/T 43976-2024 Electronic gas—Tetrafluoromethane 
  Issued on: 2024-4-25   Price(USD): 255.0
GB/T 43977-2024 Electronic gas—Octafluorocyclobutane 
  Issued on: 2024-4-25   Price(USD): 255.0
GB/T 5275.1-2024 Gas analysis—Preparation of calibration gas mixtures using dynamic methods—Part 1:General aspects 
  Issued on: 2024-3-15   Price(USD): 435.0
GB/T 35861-2024 Gas analysis—General quality aspects and metrological traceability of calibration gas mixtures 
  Issued on: 2024-3-15   Price(USD): 315.0
T/CI 478-2024 Specification for quantitative risk analysis of supercritical carbon dioxide pipeline 
  Issued on: 2024-09-02   Price(USD): 495.0
GB/T 43362-2023 Gas analysis—Gas chromatography with micro-cell thermal conductivity detector 
  Issued on: 2023-11-27   Price(USD): 270.0
GB/T 43306-2023 Gas analysis—Sampling guidelines 
  Issued on: 2023-11-27   Price(USD): 630.0
GB/T 43361-2023 Gas analysis—Analytical methods validation for hydrogen fuel in proton exchange membrane(PEM) fuel cell applications for road vehicles 
  Issued on: 2023-11-27   Price(USD): 300.0
GB/T 43094-2023 Trans-1-chloro-3,3,3-trifluoropropene[HCFO-1233zd(E)] for industrial use  
  Issued on: 2023-09-07   Price(USD): 320.0
GB/T 42721-2023 Electronic specialty gas―Nitric oxide 
  Issued on: 2023-08-06   Price(USD): 225.0
GB/T 42720-2023 Electronic specialty gas―Hexachlorodisilane 
  Issued on: 2023-08-06   Price(USD): 255.0
GB/T 5275.6-2023 Gas analysis―Preparation of calibration gas mixtures using dynamic methods―Part 6:Critical flow orifices 
  Issued on: 2023-03-17   Price(USD): 435.0
DB34/T 4532-2023 Guidelines of management system assessment for safety valves calibration agencies 
  Issued on: 2023-07-31   Price(USD):
GB/T 5275.2-2022 Gas analysis—Preparation of calibration gas mixtures using dynamic methods—Part 2: Piston pumps 
  Issued on: 2022-12-30   Price(USD): 435.0
T/CIECCPA 022-2023 Technical specification for carbon dioxide products 
  Issued on: 2023-06-08   Price(USD):
GB/T 41757-2022 Hexafluoropropylene oxide 
  Issued on: 2022-10-12   Price(USD): 225.0
GB/T 41328-2022 Biogas-based natural gas  
  Issued on: 2022-03-09   Price(USD): 120.0
GB/T 41326-2022 Hexafluorobutadiene 
  Issued on: 2022-03-09   Price(USD): 255.0
T/ZSM 0004-2022 Boron trichloride used for industry 
  Issued on: 2022-05-16   Price(USD):
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