2025-12-5 216.73.216.21
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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 45472-2025 Prefabricated insulation pipes for overhead and utility tunnel 375.0 via email in 1~5 business day valid,,2025-10-1
GB/T 45465.1-2025 Testing and calculating methods for seasonal performance factor of energy recovery ventilators for outdoor air handling—Part 1: Seasonal performance factor of sensible heating recovery 375.0 via email in 1~5 business day valid,,2025-10-1
GB/T 28185-2025 Heat exchange unit for urban heating 570.0 via email in 1~5 business day valid,,2025-8-1
GB/T 44548-2024 Technical method for safety risk assessment of urban thermal pipeline 555.0 via email in 1~5 business day valid,,2025-4-1
DB22/T 5170-2024 Technical standard for the monitoring ofheat pump system via email in business day valid,,2024-12-2
DB14/T 2975-2024 via email in business day valid,,2024-4-15
DB14/T 2974-2024 via email in business day valid,,2024-4-15
GB/T 29046-2023 Detection methods of technical specification for pre-insulated district heating pipes 930.0 via email in 1~5 business day valid,,2024-4-1
GB/T 43097-2023 Statistical methods for heating operation data 700.0 via email in 1~5 business day valid,,2024-4-1
GB/T 28638-2023 Heat loss test for thermal insulation structure and evaluation methods for thermal insulation efficiency of district heating pipes 495.0 via email in 1 business day valid,,2024-3-1
NB/T 10713-2021 Code for acceptance of geothermal pipe network construction 465.0 via email in 1~5 business day valid,,2022-5-16
GB/T 40379-2021 Multifunctional air-handling unit for residential and similar application 1290.0 via email in 1~5 business day valid,,2022-3-1
GB/T 29047-2021 Prefabricated directly buried insulating pipes and fittings with polyurethane foamed-plastics and high density polyethylene casing pipes 495.0 via email in 1~5 business day valid,,2022-3-1
GB/T 40068-2021 Electrofusion welding sleeve(tape) for thermal insulation pipeline 300.0 via email in 1 business day valid,,2021-12-1
DB22/T 5064-2021 Evaluation standard of operation management fordistrict heating enterprises via email in business day superseded,2024-12-2,2021-10-13
GB/T 39802-2021 Technical requirements for thermal insulation material of urban heat-supplying 405.0 via email in 1~5 business day valid,,2021-10-1
GB/T 32224-2020 Heat meters 930.0 via email in 1~2 business day valid,,2021-10-1
GB/T 39288-2020 Thermal storage device with electrical input and thermal output 375.0 via email in 1~5 business day valid,,2021-10-1
GB/T 39286-2020 Absorption heat exchanger 255.0 via email in 1~3 business day valid,,2021-10-1
GB/T 39246-2020 Prefabricated directly buried insulating fittings with seamless high density polyethylene casing pipe 315.0 via email in 1 business day valid,,2021-10-1
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GB/T 45472-2025 Prefabricated insulation pipes for overhead and utility tunnel 
  Issued on: 2025-03-28   Price(USD): 375.0
GB/T 45465.1-2025 Testing and calculating methods for seasonal performance factor of energy recovery ventilators for outdoor air handling—Part 1: Seasonal performance factor of sensible heating recovery 
  Issued on: 2025-03-28   Price(USD): 375.0
GB/T 28185-2025 Heat exchange unit for urban heating 
  Issued on: 2025-01-24   Price(USD): 570.0
GB/T 44548-2024 Technical method for safety risk assessment of urban thermal pipeline 
  Issued on: 2024-09-29   Price(USD): 555.0
DB22/T 5170-2024 Technical standard for the monitoring ofheat pump system 
  Issued on: 2024-12-02   Price(USD):
DB14/T 2975-2024  
  Issued on: 2024-01-17   Price(USD):
DB14/T 2974-2024  
  Issued on: 2024-01-17   Price(USD):
GB/T 29046-2023 Detection methods of technical specification for pre-insulated district heating pipes 
  Issued on: 2023-9-7   Price(USD): 930.0
GB/T 43097-2023 Statistical methods for heating operation data  
  Issued on: 2023-09-07   Price(USD): 700.0
GB/T 28638-2023 Heat loss test for thermal insulation structure and evaluation methods for thermal insulation efficiency of district heating pipes 
  Issued on: 2023-08-06   Price(USD): 495.0
NB/T 10713-2021 Code for acceptance of geothermal pipe network construction 
  Issued on: 2021-11-16   Price(USD): 465.0
GB/T 40379-2021 Multifunctional air-handling unit for residential and similar application  
  Issued on: 2021-08-20   Price(USD): 1290.0
GB/T 29047-2021 Prefabricated directly buried insulating pipes and fittings with polyurethane foamed-plastics and high density polyethylene casing pipes 
  Issued on: 2021-08-20   Price(USD): 495.0
GB/T 40068-2021 Electrofusion welding sleeve(tape) for thermal insulation pipeline 
  Issued on: 2021-05-21   Price(USD): 300.0
DB22/T 5064-2021 Evaluation standard of operation management fordistrict heating enterprises 
  Issued on: 2021-10-13   Price(USD):
GB/T 39802-2021 Technical requirements for thermal insulation material of urban heat-supplying 
  Issued on: 2021-03-09   Price(USD): 405.0
GB/T 32224-2020 Heat meters 
  Issued on: 2020-11-19   Price(USD): 930.0
GB/T 39288-2020 Thermal storage device with electrical input and thermal output 
  Issued on: 2020-11-19   Price(USD): 375.0
GB/T 39286-2020 Absorption heat exchanger 
  Issued on: 2020-11-19   Price(USD): 255.0
GB/T 39246-2020 Prefabricated directly buried insulating fittings with seamless high density polyethylene casing pipe 
  Issued on: 2020-11-19   Price(USD): 315.0
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