A New Utility Model Patent for a Mining Lithium Electric Work Vehicle

A new patented product suitable for mining: a multi-directional drilling machine

A New Utility Model Patent for a Concrete Spraying Machine Integrated Feeding Device

A new patented practical device for mining vibrating screen-type solid-liquid separation

An Innovative New Patent for a Rubber-Tyred, Trackless Coal Mine Underground Lane Transportation Control System

A new patent certificate for an intelligent mining inspection vehicle and inspection system

A new multi-functional patented product for a high-pressure fluid compression air cannon

A new practical certificate for a mine vacuum solid-liquid separation device