Core drilling rig Generalize "FD series" is the latest fully hydraulic rope core exploration drilling rig developed by Feida. "FD series" is divided into 400, 500, 600, 800 and 1000, which is the most comprehensive and efficient model in the industry. "FD Series" adopts steel frame and thickened steel plate, which increases the stability of the machine and makes it more durable. The operating system has been debugged by many generations of Feida engineers and is easy to learn and operate.