1996

  • LIANSU establishes first plastic pipe production line in Shunde, Guandong, China.

2001

  • LIANSU becomes a leading pipes and fittings supplier in South China.

2001-2009

  • LIANSU establishes 11 production bases in 8 provinces all over China, the production capacity ranks first in China, awarded most famous brand in China.

2004

  • LIANSU starts UPVC Profile production and becomes leading supplier in China profile market.

2010

  • Liansu group get listed in Hong Kong Stock Exchange.

2012

  • LIANSU changes brand to LESSO.

2010-2012

  • LESSO open Subsidiary in Canada, USA, UAE, India and Indonesia.

2013

  • LESSO plans to start UPVC profile production in India.