SOS Limited is a China-based specialty chemical company that develops, manufactures and markets a broad portfolio of water treatment, glycol and surfactant products. Founded in 1997 and headquartered in Shanghai, the company focuses on delivering high-performance solutions for industrial, municipal and household applications. Its core mission is to address water conservation and pollution control challenges while supporting downstream industries with essential chemical inputs.
The company’s primary offerings include a range of water treatment chemicals such as coagulants, flocculants and scale inhibitors designed for use in power plants, petrochemical facilities, and municipal waterworks. SOS also produces glycols—most notably ethylene glycol and propylene glycol—which serve as key raw materials for antifreeze, heat transfer fluids and polyester manufacturing. In addition, its surfactant portfolio supplies detergents, emulsifiers and wetting agents to the personal care, textile, paper and agricultural sectors.
SOS operates multiple production facilities in the Shanghai region, leveraging proximity to major ports for efficient export logistics. Its distribution network extends across Asia, Europe and North America, allowing the company to serve both domestic customers and international chemical resellers. Strategic partnerships with end-users and supply chain distributors enable SOS to tailor its formulations to specific market requirements and regulatory standards.
Over the years, SOS Limited has invested in research and development to enhance product performance and environmental compliance. The company became publicly listed on the New York Stock Exchange in 2017, reflecting its commitment to corporate governance and transparency. Through sustained innovation and capacity expansion, SOS continues to strengthen its position as a leading fine chemical supplier in global markets.
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