Scientific strength

FENY Research Technologies




  1.“Research and Experimental System for Paste Backfill Technology”
  2.“Tailor-Made"Paste Backfill System Processes”
  3.“Continuous Feeding and Discharge in One Step"Full Tailings Paste Thickening Technology”
  4.“Deep Cone Thickener"Rake Over-pressure Protection"Technology”
  5.“Precise Measurement with Hardware,Intelligent Compensation with Software"Accurate Weighing Technology”
  6.“Specialized Material Preparation"Paste Preparation Technology”
  7.“Ultra-Large Volume,Ultra-Long Distance Paste Transport Technology”
  8.“Deep Well Pressure Relief"and"Anti-Pipe Blockage"Technology”
  9.“High-Pressure Wear-Resistant Valve Set Technology for Dedicated Backfill Pipelines”
  10.“Wind-Water Linked"Pipe Cleaning Technology”
  11.“Long-Distance Pipeline"No-Cleaning Required"Technology”
  12.“One-Click Intelligent Control for Full-Process Backfill"Technology”
  13.“Paste Backfill Gel Material Development Technology”
  14.“Hazardous Waste Resource Utilization Technology”
  15.“Reasonable Grading"Finished Aggregate Preparation Technology”
  16.“Anti-Pipe Blockage for Long-Distance Paste Transport"Technology”
  17.“Seamless Integration of Subsystems Technology”
  18.“Professional and Comprehensive R&D and Experimental System”




FENY Research and Development Advantages


  FENY Co.,Ltd.is a leading enterprise in China's green mining industry,playing a key role in establishing national and group standards in the field of paste backfill.The company has been instrumental in developing three national standards,one industry standard and nine group standards:

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GB/T 51450—2022

National Standard

Technical Standard for Backfill Engineering in Metal and Nonmetal Mines

GB/T 39988—2021

National Standard

Technical Specification for Total Tailings Paste Preparation and Storage

GB/T 39489—2020

National Standard

Technical Specification for Total Tailings Paste Backfilling

JB/T 13439—2018

Industry Standard

Mining Piston-type Backfill Pumping Unit

T/GRM 123—2025

Association Standard

Pre-impregnated Tape Reinforced High-Pressure Wear-Resistant Composite Pipe and Joint

T/CI 1091-2025

Association Standard

Technical Specification for Ecological Restoration and Solid Waste Solidification Backfilling in Artificial Pits and Adits

T/CIET 1395—2025

Association Standard

Technical Specification for Short-Wall Paste Backfill Mining

T/CIET 1396—2025

Association Standard

Technical Specification for Intelligent Control Systems of Mine Paste Backfilling

T/CIECCPA 008—2024

Association Standard

Technical Code for Mine Backfilling Utilizing Phosphogypsum

T/CIECCPA 008—2024

Association Standard

Technical Code for Mine Backfilling Utilizing Phosphogypsum

T/LYCY 1051—2023

Association Standard

Technical Standard for Ecological Restoration Construction of Open-Pit Mine Slopes

T/CAEPI 32—2021

Association Standard

Technical Requirements for Key Equipment in Total Tailings Paste Backfilling



Design Standard for Goaf Backfilling with Coal Gangue Slurry

  As an advanced service provider of international paste backfill systems and comprehensive solutions,FENY boasts a complete paste backfill technology experimental system and intelligent control system.Their turnkey project services offer full support for the green development of mining areas.