2025-7-14 18.97.9.169
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Code of China
Chinese National Standard List: Mining

DB37/T 4791-2024 Technical specification for construction of super large section chamber in underground coal mine 
  Issued on: 2024-12-30   Price(USD):
NB/T 11434.1-2023 Paste filling in coal mine - Part 1: Technical requirements of goaf isolation in fully mechanized mining face 
  Issued on: 2023-12-28   Price(USD): 255.0
NB/T 11434.3-2023 Paste filling in coal mine - Part 3: Effect evaluation method 
  Issued on: 2023-12-28   Price(USD): 190.0
NB/T 11446-2023 Technical requirements of mining roadway by roadway with continuous backfilling in coal mine 
  Issued on: 2023-12-28   Price(USD): 345.0
NB/T 11433-2023 Technical specification for short wall interval filling mining in coal mine 
  Issued on: 2023-12-28   Price(USD): 290.0
NB/T 11454-2023 Specification for risk management of freezing sinking method 
  Issued on: 2023-12-28   Price(USD): 1020.0
NB/T 11434.5-2023 Paste filling in coal mine - Part 5: Technical requirements for cementitious materials 
  Issued on: 2023-12-28   Price(USD): 345.0
NB/T 11432-2023 Technical specification for coal mine gangue-based solid waste filling 
  Issued on: 2023-12-28   Price(USD): 255.0
NB/T 11434.2-2023 Paste filling in coal mine - Part 2: General technical conditions of pipe valves 
  Issued on: 2023-12-28   Price(USD): 345.0
KA/T 20.2-2024 Outline for design of safety facilities for non-coal mine construction projeetsPart 2:Outline for design of safety facilities for metal and nonmetalopencast mine construction proiects 
  Issued on: 2024-04-01   Price(USD): 360.0
KA/T 20.4-2024 Outline for design of safety facilities for non-coal mine construction projeetsPart 4:0utline for design of safety facilities fortailings pond construction projects 
  Issued on: 2024-04-01   Price(USD): 345.0
KA/T 20.5-2024 Outline for design of safety facilities for non-coal mine construetion projeetsPart 5 :Outline for major changes design of safety facilities fortailings pond construction projects 
  Issued on: 2024-04-01   Price(USD): 105.0
KA/T 20.1-2024 Outline for design of safety facilities for non-coal mine construction projectsPart 1 :Outline for design of safety facilities for metal and nonmetalunderground mine construction projects 
  Issued on: 2024-04-01   Price(USD): 405.0
KA/T 20.6-2024 Outline for design of safety facilities for non-coal mine construction projeetsPart 6 :Outline for design of safety facilities fortailings pond closure projects 
  Issued on: 2024-04-01   Price(USD): 285.0
GB/T 13813-2023 Testing method and judging rule of safety to friction spark of metallic material for coal mine  
  Issued on: 2023-05-23   Price(USD): 375.0
NB/T 11262-2023 Classification indexes and roadside support modes of gob-side entry in coal mine  
  Issued on: 2023-05-26   Price(USD): 195.0
NB/T 11261-2023 Code of practice for construction and quality acceptance of freezing holes in coal mines  
  Issued on: 2023-05-26   Price(USD): 270.0
DB14/T 2535-2022  
  Issued on: 2022-09-02   Price(USD):
T/CNCA 029-2022 Specification for design of coal roadway rapid driving system based on bolter miner 
  Issued on: 2022-09-28   Price(USD): 225.0
GB/T 41163-2021 Specification for process design of enhancing coal seam permeability by water jet in coalmine 
  Issued on: 2021-12-31   Price(USD): 225.0
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