Tongxiang Small Boss Special Plastic Products Co.,Ltd.
About
Tongxiang Small Boss Special Plastic Products Co., Ltd. is a Chinese manufacturer founded in 1992 and headquartered in Tongxiang, Zhejiang Province. Recognized as a national high-tech enterprise and Little Giant company, Small Boss operates a 68,000+ sqm facility with 350+ employees and 122 high-speed production lines producing over 6,000 tonnes monthly of PVC compound capacity. The company holds 137 national patents plus 2 international invention patents and is the formulation unit for China's biofilm carrier industry standard HG/T 5924-2021, exporting to over 100 countries with sales offices in Seoul, Tokyo, Singapore, Taipei, France, and the US. In water treatment, Small Boss manufactures MBBR biofilm carrier media in multiple models (PE85, PE79S, PE75S, PE64, PE38, PE37) from 100% virgin HDPE, featuring the nationally patented S-type design for enhanced biofilm attachment. The product range also includes tube settler media for clarification, air suspension blowers (1.1–75 kW, 97%+ motor efficiency), plate/disc/tube bubble diffusers with EPDM and silicone membranes, Bio Blok fixed-film media, cross-fluted film fill for trickling filters and cooling towers, MBR retention screens in stainless steel sintered wire mesh, and PVC sheet piles for marine and water conservancy applications. The company is ISO 9001, 14001, and 45001 certified, with REACH and RoHS compliance and FDA/SGS certified MBBR media.
Key Products
HDPE biofilm carrier media for Moving Bed Biofilm Reactor systems, available in multiple models (PE85, PE79S, PE75S, PE64, PE38, PE37) with 100% virgin HDPE. Used for nitrification, denitrification, and BOD removal with 90%+ pollutant removal efficiency and 20+ year service life.
Nationally patented MBBR carrier media design with unique geometry for enhanced biofilm attachment and treatment performance in biological wastewater treatment.
MBBR biofilm carrier with excellent mechanical properties, high impact strength, suitable density, and good hydrophilic performance, designed for both anaerobic and aerobic biofilm growth environments.
PVC tube settler media for sedimentation clarification in water and wastewater treatment, improving settling efficiency and reducing required basin footprint.
Permanent magnet synchronous motor blower for aeration systems, 1.1-75 kW power range, achieving 97%+ motor efficiency and 30%+ energy savings compared to traditional Roots blowers.
Plate-style aeration diffuser for fine bubble oxygen transfer in wastewater treatment biological tanks.
Disc-style aeration diffuser with EPDM membrane for fine bubble aeration in activated sludge and biological treatment processes.
Disc-style aeration diffuser with silicone rubber membrane for fine bubble aeration in high-temperature or aggressive wastewater environments.
Tube-style aeration diffuser for fine bubble oxygen transfer in wastewater treatment tank configurations.
Fixed-film bio-media for water treatment applications, providing structured surface area for biofilm growth in trickling filter and submerged contact applications.
Multi-purpose fill media serving dual applications: cooling tower fill and trickling filter media in wastewater treatment, featuring unique structural design and high-quality material selection.
Stainless steel sintered wire mesh cylindrical screens for MBBR reactor tanks, providing corrosion resistance, superior filtration precision, and smooth rolling with no burrs to retain carrier media while allowing water passage.
Stainless steel sintered wire mesh screens for MBBR reactor tank retention of carrier media, with special edge design for secure installation and superior filtration performance.
Vinyl sheet piling products for seawalls, bulkheads, erosion control, and water conservancy applications with 50+ year design life, marine borer resistance, and eco-friendly construction replacing steel, concrete, and wood.
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