Bailima poetry series won the "cotton award · 2020 product design award". Products to create a very narrow frame, inside and outside the frame fan flush, panoramic lighting area greatly improved! In terms of technology, Shijing series adopts system glue injection technology, hidden drainage structure design, with tainuofeng ultra wide heat insulation strip and European standard composite strip, which is safe and firm. The drainage performance, water tightness, heat preservation, ventilation and mosquito prevention effect are greatly improved, realizing the residents' yearning for quality life.