Daewoo High One Sash Co., Ltd., established in 2008, is a specialized manufacturer of plastic window frames and building interior materials. Located in the industrial complex in Eomo-myeon, Gimcheon-si, Gyeongsangbuk-do, the company produces PVC window profiles and ABS door sheets in its smart factory. The representative is Choi Kyung-ho.

"Daewoo High One Sash Co., Ltd., established in 2008, is a strong small company recognized for its unique technology in the field of plastic window frames and building interior materials. Based in a 21,500㎡ state-of-the-art smart factory located in the general industrial complex of Gimcheon-si, Gyeongsangbuk-do, we specialize in the production of PVC window profiles, ABS door sheets, and foamed door frames. The company has secured uniform quality and overwhelming production capacity by operating over 12 high-speed extrusion production lines with an equipment automation rate exceeding 90%. In particular, we invest over 20% of our annual revenue in research and development, possessing a portfolio of over 100 types of profiles, including high-airtightness and high-insulation window frames with an energy consumption efficiency grade of 1. Leading the eco-friendly building market based on Korean Industrial Standards (KS) and Eco-label certifications, we have proven our technological excellence both domestically and internationally, receiving commendations such as the Minister of Trade, Industry and Energy Award and being selected as Gimcheon City's Company of the Month. Prioritizing customer satisfaction and quality management, we continue to achieve sustainable growth as an innovative partner in the domestic window frame market."

Business Areas

• PVC Window Profile Manufacturing and Supply to the Construction Market: Our main business is the design, extrusion, and supply of essential PVC window materials for residential buildings such as apartments and houses to construction companies and a nationwide dealer network. We provide high-insulation solutions with an energy consumption efficiency grade of 1 and maintain a customized supply system optimized for site-specific requirements through a diverse product range of over 100 types.
• ABS Door Sheet and Foamed Door Frame Production: In addition to PVC window frames, we maintain competitiveness across the industry by producing various building interior materials such as ABS doors and foamed door frames.

Products

• PVC Window Profiles: Through high-speed extrusion production lines, we manufacture PVC window profiles in various shapes and designs, holding a portfolio of over 100 types, including high-insulation and high-airtightness window frames with an energy efficiency grade of 1.
• ABS Door Sheets and Foamed Door Frames: Along with PVC window frames, we produce ABS door sheets and foamed door frames as main products, supplying them to the domestic construction industry.
• Various Window Products: We offer a wide range of window products required for residential and commercial buildings, including general windows (small single-pane, double-pane, large single-pane, double-pane, frame windows), balcony windows, panel windows, school windows, project windows, and folding doors.

Special Notes

• State-of-the-art Smart Factory and High Automation Rate: We operate a state-of-the-art smart factory of 21,500㎡ in the general industrial complex of Gimcheon-si, Gyeongsangbuk-do. With over 12 high-speed extrusion production lines achieving an equipment automation rate of over 90%, we ensure uniform quality and overwhelming production capacity.
• Continuous R&D Investment and Technological Prowess: We invest over 20% of our annual revenue in research and development, offering a portfolio of over 100 types of profiles, including high-airtightness and high-insulation window frames with an energy consumption efficiency grade of 1. We have proven our technological excellence by obtaining certifications such as the Korean Industrial Standards (KS) and the Eco-label.
• Multi-product, Small-volume Production and Domestic/International Market Development: We provide PVC profiles and ABS door molded products in various shapes and designs to meet the demand for multi-product, small-volume production. We cater to large-scale domestic special sales and small-to-medium scale retail markets, and are actively developing overseas markets such as Myanmar.

💡 A Word from JobPloy
Daewoo High One Sash Co., Ltd. is a manufacturer specializing in the extrusion production of plastic window frames and building interior materials. Job roles may primarily involve operating production lines, quality control, and machine operation. Due to the nature of manufacturing, adherence to safety regulations and collaboration with colleagues are crucial. Developing skills and expertise in related technologies can lead to opportunities for career advancement in the long term.