Female boundary chemical Co., Ltd., Hebei of China, produce main producer of clay one of at home, products have expand clay, silica flour, zeolite, calcium carbonate powder, calcium, the soil powder of sodium base(retrofitted artificially ), pet's articles ---Cat litter (the cushion soil of cat), wait for the nonmetal mineral products. Production capacity 10000mt /annual. Product all follow the national standard. The department marks and international universal standard production. Quality is fine, materialization performance is steady. Can meet every line of user's demands . The products are applied to mainly, the petrochemical industry, environmental protection. Agricultural soil improvement . More than 100 departments of more than 30 substandard domains of additive of fodder of mineral of animal.