The models and manufacturers of materials, heat insulation strips, casement window opening system, casement inward tilting window and one-way tilting window opening system, sealant strips, insulating glass, tempered glass, angle glue, etc. are as follows: heat cutoff aluminum alloy window profiles are selected from Lige 64 and 53 series of sprayed heat insulation profiles (basic wall thickness 1.5mm) produced by Liaoshen Aluminum Materials Co., Ltd., which comply with GB/T 5