Boshi door and window k8t open window screen integrated products, using fixed frame configuration of narrow surface pressing line, to create a minimalist appearance, more transparent vision. The connection of frame, fan group angle and mullion adopts pin glue injection technology, with stable structure and superior performance, reaching the leading level in the industry. In terms of details, the automobile grade rubber sealing, hidden vertical drainage system and 304 steel mesh folding yarn mesh fan technology make the products have high-performance sound insulation and heat insulation effect, which can more directly and effectively drain rainwater to the outside. The structure is stable and the tension is balanced, realizing higher safety and protection functions.