The mining TBM "Xindun No. 1" (China Railway No. 1429) developed by China 12bet sports betting Xinji, a subsidiary of China 12bet sports betting, and China Railway Equipment was successfully launched at Liuzhuang Mining, China 12bet sports betting Xinji, Anhui Province
This TBM tunnel excavation will face rock hardness as high as f12~f15
The first domestic large-slope TBM for mining and other batches of excellent performance
