You are asking whether the doors and windows of the Eli Shield system are branded? yes.

According to the official website of Yi Laidun Doors and Windows Company, Yi Laidun is recognized by the National Trademark Office and has a trademark. It is a brand, so its system doors and windows are also a brand.

System doors and windows are a perfect organic combination of performance systems. Water tightness, air tightness, wind pressure resistance, mechanical strength, heat insulation, sound insulation, anti-theft, sunshade, and weather resistance need to be comprehensively considered according to climate changes. , operating feel and a series of important functions.