Dragon International Co., Ltd. ( Abbreviated as DISD) is located in Jining City, which is known as production base of China Hydraulic breakers. DISD has strong technical strength and rich production experience, which specialize in producing various of hydraulic hammers and spare parts, such as chisels, pistons, front and back head, chisel bush, front bush, rod pin. bolts, and other supporting products. DISD has history more than 10 years , and factory pass the ISO9001, ISO14001 certification and EU CE certification. DISD is committed to the comprehensive improvement of quality. Factory has imported progressive manufacture equipment, testing instruments and adopted advanced overseas technology. From glodal customers, our chisel and accessories got reputations on the high quality, high strength and high wear-resistance. We select the best alloy steel materials, take most rational and advanced processes, use the special heat treatment technology and unique process, manufacturing the world-class quality products. DISD is focus on the R&D, production, sales and related services of series products. Our factory has over 50 profession al me chanical englne ers and top-rated technicians with professional technical experiences, aiming in fast and best after-sales services. DNG has expanded global sales channels, which include many famous hydraulic breaker manufacturers at home and abroad. Now DNG products are exported to Asia, Mid