Henan Provincial Shield Machine Cutting Tools Engineering Technology Research Center (Henan Provincial Department of Science and Technology)

Henan Provincial Shield Machine Cutting Tools Engineering Technology Research Center (Henan Provincial Department of Science and Technology)

Science and Technology Achievement Certificate (Henan Provincial Department of Science and Technology) Mar. 31, 2020

Science and Technology Achievement Certificate (Henan Provincial Department of Science and Technology) Mar. 31, 2020

Heat Treatment Device and Heat Treatment Process for Alloy Steel Liner Production Nov. 12, 2024

Heat Treatment Device and Heat Treatment Process for Alloy Steel Liner Production Nov. 12, 2024

Grate Plate with Refractory Window for Semi-Autogenous Mill Feb. 17, 2023

Grate Plate with Refractory Window for Semi-Autogenous Mill Feb. 17, 2023

Furnace Mouth Pressurizing and Closing Device Feb. 11, 2022

Furnace Mouth Pressurizing and Closing Device Feb. 11, 2022

Double Inclined Surface Cylinder Liner at the Feed End of Mill May 3, 2019

Double Inclined Surface Cylinder Liner at the Feed End of Mill May 3, 2019

Anti-Closure Grate Plate Feb. 11, 2022

Anti-Closure Grate Plate Feb. 11, 2022

Flow-Storing Type Bimetallic Layer Feeding Elbow Pipe Feb. 11, 2022

Flow-Storing Type Bimetallic Layer Feeding Elbow Pipe Feb. 11, 2022

Mill Cylinder Liner Feb. 15, 2019

Mill Cylinder Liner Feb. 15, 2019

Mill Discharge Grid Plate Feb. 15, 2019

Mill Discharge Grid Plate Feb. 15, 2019

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