YZH. the China’s known and most-respected brand of pedestal rock breaker boom system, established in 2002, with headquarter in the Gihe Economic Development zone – Shandong province – China. YZH is a high-tech enterprise integrating independent research and development, technological innovation, production, sales, export and agent service. YZH has passed 1509001 quality system certificate, 15014001 environmental management system certificate, 15045001 occupational health safety management system certificate and European Union CE certification.