- LIANSU establishes first plastic pipe production line in Shunde, Guandong, China.
- LIANSU becomes a leading pipes and fittings supplier in South China.
- LIANSU establishes 11 production bases in 8 provinces all over China, the production capacity ranks first in China, awarded most famous brand in China.
- LIANSU starts UPVC Profile production and becomes leading supplier in China profile market.
- Liansu group get listed in Hong Kong Stock Exchange.
- LIANSU changes brand to LESSO.
- LESSO open Subsidiary in Canada, USA, UAE, India and Indonesia.
- LESSO plans to start UPVC profile production in India.