Porous permeable bricks were made with gold tailings as the main material and coal gangue as pore-forming agent.
以黄金尾矿为主要原料，以煤矸石作成孔剂，制备了多孔透水砖。
Xiangfan three gold Machinery Co., Ltd. is the production of ceramic tiles imported automatic press die, die ash bricks, car die of specialized production of high-tech enterprises.
襄樊三金机械有限公司是生产进口全自动瓷砖压机模具、煤灰砖模具、汽车模具的高科技专业化生产企业。
Xiangfan three gold Machinery Co., Ltd. is the production of ceramic tiles imported automatic press die, die ash bricks, car die of specialized production of high-tech enterprises.
襄樊三金机械有限公司是生产进口全自动瓷砖压机模具、煤灰砖模具、汽车模具的高科技专业化生产企业。
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