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For years Huihang technology ltd. commits itself to research on water pollution and cure and resource recovery and is established in combination of harness and resource recovery of waste substances . huihang technology ltd. takes organic waste water of benzene and naphthalene series in dyes. Pesticides ,pharmaceutical and light industries as its research objects . Based on its long term research on macroporous and uniform porous resin, huihang technology has developed XDA series of ultra high cross-linking |