Onglass Co., Ltd. is a glass product manufacturer located in Samseong-myeon, Eumseong-gun, Chungcheongbuk-do. Led by CEO Yang Gwi-cheol, the company specializes in producing tempered glass and functional glass products, starting with the production of insulated glass.

"Onglass Co., Ltd. has made a new start as a specialized insulated glass company, equipped with the latest facilities in Samseong-myeon, Eumseong-gun, Chungbuk. By introducing Aigis's newest automatic insulated glass production line and flat glass CNC automatic cutting line, it has strengthened its foundation for producing high-performance products, and is enhancing reliability by acquiring KS quality certification and pursuing certification from the Korea Flat Glass & Window Association."

Business Areas

• Insulated Glass Production: Onglass Co., Ltd. produces high-quality insulated glass with excellent insulation, soundproofing, and anti-condensation properties through its latest automatic production line. It provides products that contribute to energy saving and creating a comfortable indoor environment.
• Tempered Glass Production: Since March 2025, tempered glass production has been expanded, and an architectural horizontal tempered glass production line is in operation. It supplies safe glass with four times higher impact resistance than ordinary flat glass.
• Functional Glass Manufacturing: It produces high-performance glass tailored to various customer demands and provides customized products by establishing a multi-product, small-batch production system. Product reliability is secured through KS quality certification.

Products

• Insulated Glass: This product enhances insulation, soundproofing, and anti-condensation performance by filling the space between two or more panes of glass with dry air or a specific gas. It produces efficient and high-quality insulated glass with the latest automatic production line.
• Tempered Glass: This is safety glass that is heated to a high temperature and then rapidly cooled, making it four times stronger in impact resistance and temperature change resistance than ordinary glass. It provides products of various specifications through its architectural horizontal tempered glass production line.
• Heat-Strengthened Glass: This product has obtained KS certification from the Korea Testing & Research Institute in accordance with the KS L 2015 standard. It has higher strength than ordinary glass and relatively safe characteristics upon breakage.

Special Notes

• State-of-the-art production facilities: Equipped with the latest facilities such as Aigis's newest automatic insulated glass production line, flat glass CNC automatic cutting line, and auto-sealing robot, it boasts high production efficiency and precise quality.
• Strong quality competitiveness: It has obtained KS quality certification for insulated glass and heat-strengthened glass, and is enhancing product reliability by joining the HanGlas Duolite Club and pursuing certification from the Korea Flat Glass & Window Association.
• Continuous business expansion: Based on insulated glass production, it has successfully expanded its business into tempered glass production. It is strengthening its market competitiveness by establishing a multi-product, small-batch production system tailored to customer demand.

Recruitment Information

• Main Hiring Positions: Production Staff

💡 A Word from JobPloy
Onglass is a manufacturer of functional glass, including tempered glass and insulated glass. The primary roles are in production, involving tasks related to glass processing and production line operation. Adherence to safety regulations and precise work skills are crucial, and an understanding of quality control will be beneficial for adapting to the job.