The U-profile glass is widely applied to the construction of buildings, from interior walls and exterior walls, partitions and balcony corridors, to the roofs and other auxiliary buildings. The product has reached the standardized requirements and has been assessed as qualified product by the State Glass Quality Supervision and Inspection Center that has inspected the product in terms of 17 indexes such as the dimension, appearance quality, bending strength and transparency, etc. in according to the Chinese national standard JC/T 867-2000 with reference to DIN1249.