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GB 25974.4-2026 in English
Powered support for coal mine—Part 4:Specification for electro-hydraulic control system
TO BE VALID
Issued on:2026-02-27 | Implemented on:2027-03-01
$435.00 $422.00 -
GB 25974.1-2026 in English
Powered support for coal mine—Part 1: General technical specification
TO BE VALID
Issued on:2026-02-27 | Implemented on:2027-03-01
$510.00 $495.00 -
GB/T 47115-2026 in English
Mining—Air quality control systems for operator enclosures—Performance requirements and test methods
VALID
Issued on:2026-01-28 | Implemented on:2026-08-01
$375.00 $364.00 -
MT/T 550-2025 in English
Technical Conditions for High-Mining-Height Hydraulic Support
VALID
Issued on:2025-06-30 | Implemented on:2025-12-30
$195.00 $190.00 -
MT/T 1262-2025 in English
Technical Conditions for the Transition Hydraulic Support in Top Coal Caving
VALID
Issued on:2025-06-30 | Implemented on:2025-12-30
$255.00 $248.00 -
GB/T 7679.5-2025 in English
Mining machinery terminology—Part 5：Crushing and grinding equipment
VALID
Issued on:2025-05-30 | Implemented on:2025-12-01
$990.00 $961.00 -
NB/T 11639-2024 in English
General Technical Conditions for Gas Prevention and Control Boring Robots in Underground Coal Mines
VALID
Issued on:2024-09-24 | Implemented on:2025-03-24
$479.00 $465.00 -
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T/CNCA 026-2022 in English
Nano energy absorbing driving buffer device for underground roadway general technical conditions
VALID
Issued on:2022-08-25 | Implemented on:-
$160.00 $156.00 -
NB/T 10729-2021 in English
General technical conditions of metal mesh for roadway support in coal mine
VALID
Issued on:2021-11-16 | Implemented on:2022-02-16
$220.00 $214.00
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