Tongxiang Small Boss Special Plastic Products Co., Ltd established in 1992, is a comprehensive high-tech enterprise specializing in the R&D, production and sales of MBBR bio media as an environmental protection industry. Small Boss now has more than 30 high-speed production lines. All MBBR medias from mold development to downstream processing and packaging are independently completed by the company to ensure the perfect quality. Small Boss covers a land area of 68,000 square meters with 42,000 square meters of workshop and 322 employees. 2019 yearly sales volume of MBBR media reached to 80,000 m³ and amount of sales for MBBR media reached to 20 million dollars.