LESSO celebrates its 40th anniversary in 2026. The Group combines innovation with product development, environmentally friendly production and social responsibility, linking the development of the industry with the needs of people and environmental protection. From pipes to integrated solutions for water, electricity and gas, LESSO continues to expand its application areas.

With 40 years of experience, LESSO invests about 1 billion yuan in research per year, holds more than 4,000 patents, 1,000 researchers, and has participated in the development of more than 180 standards. In July 2026:The technologies of large-diameter reinforced polyethylene and high-performance PVC pipes have passed the national expert assessment.Thanks to its own calcium-zinc stabilizer, in 2017 the entire range of PVC was transferred to lead-free production.

Irrigation pipes in Xinjiang and Hebei save 580,000 m3 of water per year, and G5+ gasification standards and electric welding enhance safety.

The five national green plants produce 128.17 million kWh of solar energy per year, reuse more than 5.54 million tons of water, and recycle more than 170,000 tons of plastic. After the modernization in 2018, the quality index exceeds 97%, and the capacity has increased by more than 1.5 times.

Innovation, quality and responsibility have accompanied LESSO for 40 years. They are also the foundation of future products, technologies, and services.