Tongxiang Small Boss Special Plastic Products Co., Ltd.

Founded in 1992, Tongxiang SmallBoss Special Plastic Products Co., Ltd. Has over 30 years of experience in R&D and manufacturing of polymer new materials and eco-friendly products, and is a national high-tech enterprise. Evolving from Tongxiang Dama Plastic Factory, it has achieved steady high-quality development through strategic upgrades in 2002, in-house laboratory establishment in 2004, headquarters relocation in 2013, and continuous capacity expansion.

Located in Tongxiang, Zhejiang, the company covers 42, 000 square meters of land and 68, 000 square meters of building area. It has over 350 employees, with over 30% professional technicians and more than 35% technical backbones with intermediate or above titles. Equipped with 122 high-speed production lines, it has a complete closed-loop system from raw materials and R&D to production, ensuring sufficient capacity, stable quality and reliable delivery.

In quality and industry status, the company implements ISO9001, ISO14001 and ISO45001 management systems, and complies with REACH, RoHS and other international standards. It is a national high-tech enterprise, a national "Little Giant" enterprise, and a Zhejiang Provincial Model Unit for Trade Secret Protection. It participated in formulating industrial standard HG/T 5924-2021 and group standard T/CSPSTC 180-2025. Its core product, SmallBoss® Ecological Sheet Piles, is listed in the Ministry of Water Resources Science and Technology Promotion Catalogue, with RoHS/REACH certification, non-toxic coating-free production and ecological holes for aquatic organisms.

With strong independent R&D capabilities, the company has a provincial-level enterprise research institute, two laboratories with independent intellectual property rights, and a full-time R&D team with master's degrees or above. It maintains long-term industry-university-research cooperation with Zhejiang University, Hohai University and other renowned universities, focusing on polymer material modification, slope protection sheet piles, MBBR water treatment materials and aquaculture tail water treatment systems.

Its products gain competitive advantages through innovation: Slope Protection & Flood Control Plastic Sheet Piles, made of modified special PVC, have a 50-year service life, 80MPa compressive strength, and are 1/3-1/2 the weight of traditional steel, facilitating construction. MBBR Bio-carriers, with porous bio-affinity formula, achieve over 90% pollutant removal rate and have been applied in over 320 water treatment projects.

Currently, its products and solutions serve water conservancy, environmental protection, aquaculture and other fields, covering over 100 countries and regions. It has 137 national patents and 2 international invention patents, winning the National Innovation Fund Award and the Second Prize of National Circular Economy.

Adhering to "Environmental Innovation, Quality Focus", the company is committed to becoming a trusted global provider of high-performance plastic products and solutions through sustained R&D, strict process control and expanded market applications.