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 Company Profile 

Tongxiang Small Boss Special Plastic Products Co., Ltd. was established in 1992, is a professional and high-technology manufacturer which is engaged in studying, developing, producing mbbr biofilter media.


Small Boss establish long term cooperation with Shanghai University, Wuhan University, Singapore biological filler research laboratory in water treatment area, Joint research and develop mbbr biofilter media, has successfully developed a variety of efficient biological filter media, including 68 national patented products.


The company has more than 100 bio-filler high-speed production lines, each working procedure was designed by ourselves from the mold to production process and packing design amendment. So the high-efficiency and lower cost depends on the best skills, equipment, raw material. After nearly 10 years of efforts, Small Boss company has became the largest manufacturer of mbbr biofilter media now, the products have been exported all over the world.


Small boss filter, cost-effective filter, your best choice!


Moving Bed Biofilm Reactor, referred to as MBBR, is a new efficient biological biofilm reactor, with anti load ability, high treatment efficiency, Less sludge age, less residual sludge,  better effective in nitrogen and phosphorus removal and etc, has widely used in all over the world.The core of the MBBR technology are the biofilm carriers. They are designed to provide a large protected surface area for the biofilm and optimal conditions for the bacteria culture when the carriers are suspended in water.


Hence, Developing an efficient active suspension filter media, is the basis to ensure the effective operation of MBBR process.


Many research have shown that biocompatibility and hydrophilicity have a great influence on the performance of biological filter media. Hence, choosing materials with better biocompatibility, superior hydrophilic properties have become particularly important.


Small Boss Company has build a long term cooperation with Singapore institutions of biological filter media for more than 3 years. By comparison test of hydrophilicity and biocompatibility, using PP, HDPE, LDPE, ABS and other plastic materials, finally show that HDPE is the most superior biological materials. And then we did dozens of HDPE comparison test again from different HDPE suppliers and different types of HDPE.After hundreds of test and selection, we finally decided to use an HDPE material as raw material of biological filter media,with excellent mechanical properties ,suitable density and best performance of biocompatibility and hydrophilicity.


SMALL BOSS Company made many innovations for biological filter media in machine and production process to make its roundness, length, density more uniform and unified. Hence, it provides many more physical attachment point for micro-organisms when using HDPE filter media and also improve its hydrophilicity which favor for the growth of micro-organisms, accelerate forming membrane and improve water treatment efficiency.