High quality! Excellent heat resistance and weather resistance, made from high-strength, high-polymer materials.
We would like to introduce the "inner window frames" that we handle. We offer a variety of types, including high-quality "simple inner windows and partitions," heat-resistant and weather-resistant "simple inner windows for balconies (H2100mm)," which accommodate inner window dimensions of height up to 2100mm and width up to 1830mm, as well as "balcony and large window types." Additionally, we provide panels for simple inner windows in various sizes, and you can choose from four different materials. 【Product Lineup (Excerpt)】 ■ Simple inner windows and partitions ■ Simple inner windows for balconies (H2100mm) ■ Balcony and large window types ■ Easy-to-install insulation panels for aluminum sashes ■ Fittings for opening doors of inner window frames *For more details, please download the PDF or feel free to contact us.
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Our company was founded in 1964, and in 1966, we changed our name to the current "Kō Co., Ltd." and began selling plastic signs. Since then, we have started the production and sales of signs, which is now one of our main products. We have focused on its future potential and have created a wide variety of standard products to meet diverse needs, establishing a system for immediate delivery. Today, in addition to over 20,000 variations of signs, we also contribute to total space design through DIY materials and store supplies.