MBBR water filter media waste water filter media plastic filter media roll filter media Biofilter media for water tr ... test of hydrophilicity and biocompatibility, using PP, HDPE, LDPE, ABS and other plastic materials, finally show that HDPE is the most superior ... of innovation type enterprise 20 years, small boss only do plastic, through continued research innovation, From 2005 to 2012, the company ...