CHINA BAOLI GROUP. is located at high-tech development zone of Hengshui City, Hebei Province, near national marsh scenic spot -- Hengshui Lake. With a floor area of 960,000sqm. Our factory is one of the main manufacturers which make affiliated products for National Ministry of Railway, Ministry of Water Resource, Ministry of Communication and Coal Mine Safety in China. Our main products include silicon core pipes, plastic grids, knitted grids, steel-plastic grids, coal mine shield grids and ...