タイトルまたは説明

THE anthracite IS adopt high grade white coal from Shanxi Province as raw material, and is featured with good brightness, high mechanical strength, and stable chemical properties. It does not dissolve in acid, neutral and basic water. The quartz sand This product are made through refining process with natural quartz ore as raw material. With multi edge angle and featured with stable chemical properties, it can hold up contamination effectively, and is an idea product for water treatment.