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The quartz sand is use of natural quartz ore as raw material, processed by crushing, washing, fine sieve, currently, is the most widely used in the water treatment industry, the largest amount of water purification materials, free of impurities, compression wear, high mechanical strength, stable chemical properties, strong interception capability, high efficiency, long life cycle, it is suitable for single, double filtration ponds, filters ans ion exchange, the indicators have reached (CJ/T43-2005) standard. Processing has refined quartz sand, pure quartz sand, acid treatment agent, ordinary quartz sand, which can satisfaction the different needs of the user.