NEWS CENTER
Some cases of tunnel construction project of Betopper brand drill bit service
Release time:
2021-12-30
Source:
Case 1: Betopper brand drill bit helps serve the construction of Jingyong Expressway
Case 2: Betopper brand drill rod serves Xiamen Haicang Port Channel
Case 3: Betopper brand rock drill bit helps the Qian'an tunnel of Xiang'an Airport
Expressway to pass through smoothly!
Case 4: Betopper brand drill bit helps Zhangwu high-speed construction
Case 5: Betopper brand drill bit helps Zhejiang Ruiwentai high-speed construction
Case 6: Dingtuo brand drill bit helps Fuxia high-speed rail construction
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