Core Insights - The launch of the "Dongping" single-shield TBM marks a significant technological breakthrough in coal mining, specifically designed for complex working conditions in China's coal mines [1][2] - The "Dongping" TBM is tailored for the Dongping coal mine project, featuring advanced capabilities that address critical technical challenges in steep gradient and small radius mining [1][2] Group 1 - The "Dongping" TBM has a maximum excavation diameter of 7.64 meters and a total length of 127 meters, successfully overcoming six key technical bottlenecks in mining operations [1] - The equipment is equipped with an efficient multi-stage drainage system and a dual-hinge system that allows for flexible steering in steep gradients and small radius turns [2] - The project aims to significantly shorten construction cycles compared to traditional mining methods, with an expected annual production capacity of 4 million tons upon full completion [2] Group 2 - The "Dongping" TBM includes advanced safety features such as a professional explosion-proof system and harmful gas detection devices, ensuring comprehensive safety measures [2] - The unique dual-direction bucket design effectively addresses the "paste knife" issue in mudstone coal layers, enhancing operational efficiency [2] - The project is expected to have a service life of 58.2 years, contributing to the efficient development of coal resources in the Inner Mongolia region [2]