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{"title":"PRESSURELESS AIR DOOR, Underground Mine Ventilation Door, Low Opening Force,","imgUrl":"https:\/\/img.chinax.com\/nimg\/61\/b9\/da6bbf2a03530397fa130d4b2838-200x200-1\/pressureless_air_door_2c_underground_mine_ventilation_door_2c_low_opening_force_2c.jpg","attrs":{"Place of Origin":"China","Payment Terms":"L\/C,T\/T,D\/P,D\/A","Delivery Time":"10-15 days","Minimum Order Quantity":"1"}}
{"title":"Mining Transport Winch, Underground Mine Material Transport Electric Winch for","imgUrl":"https:\/\/img.chinax.com\/nimg\/f0\/00\/51c7300d52255cc5c2dafbc502c7-200x200-1\/mining_transport_winch_2c_underground_mine_material_transport_electric_winch_for_coal_mine.jpg","attrs":{"Minimum Order Quantity":"1 piece","Delivery Time":"10-15work days","Price":"USD 2200-3200","Brand Name":"Aokun"}}
{"title":"Portable Instrument Charging Cabinet, Mining Gas Detector Charging Station,","imgUrl":"https:\/\/img.chinax.com\/nimg\/e9\/b1\/89ba096513973fa7a5a8a3709001-200x200-1\/portable_instrument_charging_cabinet_2c_mining_gas_detector_charging_station_2c_custom_charging_locker.jpg","attrs":{"Minimum Order Quantity":"1 piece","Supply Ability":"USD 2900-2950","Delivery Time":"10-15work days","Price":"USD 288-388"}}
{"title":"XRB Series Rail Grip Slope Manriding Car \/ Inclined Shaft Mine Man Car for Coal","imgUrl":"https:\/\/img.chinax.com\/nimg\/ec\/7d\/af701931715c41b576de27a94976-200x200-1\/xrb_series_rail_grip_slope_manriding_car_2f_inclined_shaft_mine_man_car_for_coal_mine_personnel_transportation.jpg","attrs":{"Price":"USD5000-5600","Minimum Order Quantity":"1 piece","Delivery Time":"10-15work days","Brand Name":"Aokun"}}
{"title":"SLAG REMOVAL MACHINE, Mining Excavation Loader, Mucking Machine, Tunnel Cleaning","imgUrl":"https:\/\/img.chinax.com\/nimg\/64\/4f\/7f8f16e4f8961066578ef5ba0eee-200x200-1\/slag_removal_machine_2c_mining_excavation_loader_2c_mucking_machine_2c_tunnel_cleaning_machine_2c_tunnel_muck_remover_2c_wheeled_c.jpg","attrs":{"Delivery Time":"10-15 days","Minimum Order Quantity":"1","Place of Origin":"Beijing, China","Payment Terms":"L\/C,D\/A,D\/P,T\/T"}}
{"title":"JYB Transport Winch, Mining Hauling Winch, Underground Coal Mine Winch, Mine","imgUrl":"https:\/\/img.chinax.com\/nimg\/49\/a6\/7458a0ad060a57dd9e005fac5506-200x200-1\/jyb_transport_winch_2c_mining_hauling_winch_2c_underground_coal_mine_winch_2c_mine_cart_pulling_winch_2c_under_30_degree_incline_2.jpg","attrs":{"Place of Origin":"Beijing, China","Payment Terms":"L\/C,D\/A,D\/P,T\/T","Delivery Time":"10-15 days","Minimum Order Quantity":"1"}}
{"title":"THIN-SHELL WATERPROOF GATE Self-Resetting Explosion-Proof Door Mine Explosion","imgUrl":"https:\/\/img.chinax.com\/nimg\/bb\/a5\/025537ade70102502e3d4725560c-200x200-1\/thin_shell_waterproof_gate_self_resetting_explosion_proof_door_mine_explosion_proof_door_impact_resistant_automatic_reset_air_reve.jpg","attrs":{"Delivery Time":"10-15 days","Minimum Order Quantity":"1","Place of Origin":"Beijing, China","Payment Terms":"L\/C,D\/A,D\/P,T\/T"}}
Designed for every cross-cut between underground intake and return airways, as well as between main intake and return airways, ensuring efficient ventilation control in coal mines.
Features low opening force, allowing personnel and vehicles to pass through easily without excessive effort, improving operational efficiency underground.
Eliminates the need for additional reverse air doors, reducing installation costs and simplifying the ventilation system layout.
Automatically closes after personnel or vehicles pass through, maintaining proper airflow and preventing air leakage without manual intervention.
Recognized as a relatively ideal type of air door for underground coal mines in China, offering reliable performance, safety, and low maintenance.
Beijing Aokun Energy Co., Ltd. is an innovative new energy technology company dedicated to the global energy transition and sustainable development. Guided by our mission to "make clean energy accessible to all," we focus on core sectors including solar photovoltaics, wind power generation, energy s... Beijing Aokun Energy Co., Ltd. is an innovative new energy technology company dedicated to the global energy transition and sustainable development. Guided by our mission to "make clean energy accessible to all," we focus on core sectors including solar photovoltaics, wind power generation, energy s...