Lvsheng is a window system supplier,which was found in 2012 . We focus on researching and producing energy-saving window and door system using Polyurethane Aluminium profile.Our system brand is WinGreen. Our business covers product development, production and technical consultation.Lvsheng is monitored by the European production standards,using imported European Production line.There are no sewage,low manpower and low carbon emissions in the process of production.In the choice of raw materials, Lvsheng has a strict set of standards to control from the source to the supplier selection. Unqualified raw materials will not be used.Lvsheng also adopts the European production management mode and focuses on safety, quality, humane in the daily production and the decision-making.