is a professional and leading enterprise engaged in design，manufacture，and distribution of piling machinery, rock drilling machinery and high-speed rail’s special equipment. Osaint devotes itself to producing piling machinery rock drilling machinery of high-quality and high-reliability, including rotary pilling rigs of large, medium and small size, and rock drilling rigs. Meanwhile it specializes in research and development and manufacture of high-speed rail’s special equipments in cooperation with China Railway Construction Corporation.