World Window Sash Research Institute Co., Ltd. is a window and door specialized company located in Yongin-si, Gyeonggi-do. We directly manufacture and install various windows and doors, including high-sash and aluminum sashes, and operate under the brand name 'Sash Research Institute'. We provide high-quality window and door services at reasonable prices through a factory-direct transaction system that reduces distribution margins.

"World Window specializes in sash and metal structure window and door construction. With 30 years of experience and accumulated know-how in the fields of sashes, windows, and glass, we provide precise design and installation. Sash Research Institute directly manufactures and installs sashes at our factory in Yongin, Gyeonggi-do, enabling sash installation at reasonable prices through factory-direct transactions without intermediate distribution margins."

Business Areas

• High Sash Manufacturing and Installation: We directly manufacture and install high-quality PVC sashes with excellent insulation performance. We custom-make various types of high sashes, including living room windows, balcony windows, and double-pane windows, for installation in houses and apartments.
• Aluminum Sash Installation: We install aluminum sashes that boast modern design and excellent durability. We provide solutions suitable for residential and commercial spaces by applying various functions and designs according to customer requirements.
• Window Replacement and After-Sales Service: We offer services to remove old windows and replace them with new ones. We guarantee the industry's first 15-year defect warranty period and have introduced an electronic contract system to enhance contract transparency and consumer trust.

Products

• High Sash (PVC Windows): These are PVC windows with excellent insulation performance that block external heat and retain internal heat. They come in various types, including single-pane, double-pane, and balcony-exclusive windows, and maximize energy efficiency by applying Low-E glass and argon gas.
• Aluminum Sash: These are aluminum windows that offer strong durability and can create a modern design. They can be manufactured in various colors and forms, and are often applied to spaces where a sense of openness is important, such as folding doors.
• Balcony Exclusive Windows: These are balcony-exclusive windows with superior performance compared to regular windows, effectively blocking fine dust, cold winds, and rain. We handle popular brands like LG and KCC, and provide a comfortable living environment through neat installation and finishing.

Special Notes

• Reasonable Prices through Factory Direct Transactions: We operate a factory-direct transaction system that eliminates the distribution process, offering sash installation to customers at a 20% lower price. This can save over 1 million won in total installation costs.
• Precision Installation by Skilled Experts: All sash installations are performed by senior technicians with over 15 years of experience, guaranteeing high-quality, defect-free installation based on accurate design and installation know-how.
• Industry's First 15-Year Defect Warranty and Electronic Contracts: We offer the industry's first 15-year defect warranty after window and door installation to enhance customer satisfaction. Furthermore, we have fully adopted an electronic contract system to ensure transparency in contracts and alleviate consumer concerns.

Recruitment Information

• Main Hiring Positions: We primarily recruit online sales and marketing staff, and skilled workers for PVC window (high sash) installation.
• Benefits: We offer benefits such as 5-day work week, public holiday off, casual dress code, 40-hour work week, and lunch support.

💡 A Word from JobPloy
World Window Sash Research Institute Co., Ltd. is a company specializing in the manufacturing and installation of high sashes and aluminum sashes. Since most installation-related jobs involve fieldwork, physical strength and meticulousness are important. As we emphasize factory-direct transactions and long-term A/S, understanding of quality and customer service will be beneficial for the job.