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РусскийSmall Bossbegan in Tongxiang in 1992 with the establishment of Tongxiang Dama Special Plastic Products Factory. After ten years of development and upgrades in capacity and product portfolio, the company was officially renamed Tongxiang Small Boss Special Plastic Products Co., Ltd. in 2002. Based in Tongxiang Economic Development Zone, Zhejiang, Small Boss develops and manufactures PVC compounds, custom PVC extrusion profiles, PVC/vinyl sheet piles and HDPE MBBR bio media. The facility occupies approximately 42,000 m², with 64,314.88 m² of certified building area. The company has more than 350 employees, R&D personnel account for more than 30% of the workforce, and over 150 production lines support a combined monthly capacity of more than 12,000 metric tons. Small Boss is recognized as a National High-Tech Enterprise and a national-level Specialized and Innovative “Little Giant” enterprise. The company implements ISO 9001, ISO 14001 and ISO 45001 management systems and participated in the development of HG/T 5924-2021 and T/CSPSTC 180-2025. As of the end of July 2026, it held 73 valid domestic patents and 4 valid international patents. Products have been supplied to customers in more than 100 countries and regions. We support material formulation, profile design, product selection, sampling and batch production. Product-specific performance, certification, lead time and MOQ are subject to the applicable technical documents and order confirmation. |
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| We leverage modified PVC and high-performance polymer materials to develop eco-friendly products tailored for diverse industrial applications. Our patented S-type MBBR bio-media delivers over 90% pollutant removal efficiency, significantly boosting wastewater treatment performance. The explosion disc aerator enhances the stability of sewage treatment systems, while our PVC plastic sheet piles (a lightweight alternative to steel sheet piles) are widely used in water conservancy construction, driving sustainable development in the environmental protection industry. |
In terms of quality management and industry status, Tongxiang SmallBoss Special Plastic Products Co., Ltd. fully implements ISO9001, ISO14001 and ISO45001 management systems, and strictly enforces international standards such as REACH and RoHS. As a national high-tech enterprise, a national "Little Giant" enterprise and a Zhejiang Provincial Model Unit for Trade Secrets, the company actively promotes the standardized development of the industry and is the formulation unit of the industry standard "Biofilm Carriers for Waste (Sewage) Treatment" (HG/T5924-2021) and the group standard "Application Technical Specification for Plastic-Steel Sheet Piles" (T/CSPSTC180-2025). Its core product, SmallBoss® "ecological sheet piles for slope protection and flood control", has been officially included in the Ministry of Water Resources Science and Technology Products Promotion Catalogue, thanks to its excellent performance and eco-friendly characteristics (passing RoHS and REACH tests, no toxic coatings in the production process, and ecological holes reserved for aquatic organisms). |
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Corporate Culture
Corporate Vision
Promote environmental protection and build the future. Small Boss is committed to being the world's innovation leader in high-performance environmentally friendly materials and water treatment solutions, contributing to the sustainable development of the planet.
Future Expectations
In the future, we will deeply cultivate the forefront of environmental protection technology, represented by S-type MBBR packing and plastic sheet piles, and provide innovative environmental protection solutions to serve the global market.
Together, we will write a new chapter in the green and sustainable development of plastic products and the water treatment industry.
Enterprise Spirit
We advocate the spirit of "innovation, pragmatism, unity, dedication", encourage employees to be innovative, down-to-earth, and teamwork, and make unremitting efforts to achieve the enterprise's vision of environmental protection.
Development
Course
Company founded, focusing on PVC modifed granules R&D and production.
Expanded profile produetion lines and business.
Expanded MBBR production lines and business.
Expanded plastie sheet pile production lines and business.
Recognized as a National High-Tech Enterprise.
Recognized as a, Specialized and Innovative Einterprise.
Plastic sheet piles listed as recommended products by the inistry of Water Resources.
Expanded the physical lab and established a new biochemical lab for water treatment.
(Partners: Zhejiang University, Hohai University, Xi'an Jiaotong University, Hubei University of Technology)
Honor Certification
The company fully implements ISO9001 quality management system, ISO14001 environmental management system, and ISO45001 occupational health and safety management system to ensure excellent product quality while achieving environmental leadership, high efficiency and stability, and a safe working environment.
ISO 9001
ISO 14001
ISO 45001
REACH
