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Macadam Base Successive layers of crushed rock mechanically locked by rolling and bonded by stone screening rock duct, stone chips etc. In-water bound Macadam The crushed stones are laid, shaped and compacted and then finer materials are added and washed into surface to provide a dense material.
LAWFIRM Heavy Industries Co., Ltd. China(Mainland)
Our products sell well all over the world, and have advanced technology in the field of crushing sand grinding powder.