From 2010 to 2011, Zhoushan Port Liuhengdao WISCO 300,000-ton ore transshipment port-unloading wharf rock-socketed pile project, the project has 72 Φ2800mm straight piles, 54 Φ2800mm, 7:1 inclined rock-socketed piles, our company For this reason, a 24 ton hydraulic self (hand) control percussion drill and a 20t barrel percussion drill were developed to successfully complete the construction task.
