Limited water purification materials in Zibo qiangjin personality is a private limited liability company. Coarse water purification main production of aluminum sulfate, iron with aluminum sulfate (size 8 head -30 Head, 2 mm-5mm), for the granular form of the product, is my company after years of concentrated study and access to research results. It's available to fill the gaps in the domestic and imported products is one alternative, it has a high content of aluminum (more than equivalent to 17 per cent), no dust, the advantages of dissolving fast. Widely used in paper making, tanning, water purification, precious stones, and other manufacturing fields. The company an annual production capacity of 10, 000 tons, as we in the quality of life and integrity-based, and take the road of green, and dealers across the country welcome home and abroad be our inquiries.