Window and Door Profile is favored by consumers for its beautiful appearance, high strength, anti-aging, good sealing performance, and no maintenance. However, if the selection of profiles is improper, the installation is not standardized, and the quality of accessories is poor, it will affect the a

The K value is a physical quantity that measures the thermal insulation performance of a material, that is, the heat transfer coefficient.The K value of architectural glass is defined as: under standard conditions, the heat transfer from one side of the unit area of the glass component to the other

Lumei Americano Linea uPVC profile adopts environmental protection formula selects non-toxic CaZn heat stabilizer, imported BASF titanium dioxide, ultraviolet absorber, antioxidant agent and other top-quality additives. Those help all properties of Lumei uPVC profiles accomplices with the Chinese National Energy Conservation and Environmental Protection Indicators as well as the EU market Standards. Lumei PVC profiles complied with the national standards GB / T8814-2004 and strictly follow ISO9001-2008 international quality management systems and passed the weather resistance test of 6000 hours. Lumei focuses on serving the international market whose profiles obtained CE & RoHS certification.

All the goods in market are with same performance. It is the right time to improve your quality. Our pvc profile co-extrusions profiles have unique surface & perfect property. Adding little more cost for changing a high profit product.