... max •IntroductionAnthracite Filter MediaWe choose fine coal as raw material and take advantage of our advanced technology to ... It is also used as water treatment filter. Such as, water treatment of services, drinks, minera water, purified water, wine industry, power, ... papermaking, pharmacy, swimming pool, waste water. •Company OverviewFounded in 1997,Gongyi Filter Material Industry Co.,Ltd. is one ...