PERALD has been focus on developing the rock drill since 2008 and after 12 years of validating the PERALD PD series rock drill on jumbo drill, rock reinforcement equipment, raiseboring equipment, and rill rigs, the PD series has been proved to be adaptable to different kind of working condition with consistent quality and performance. PERALD is committed to providing the full support to the customer in terms of product offering, after service, and technical support.