Patented system window frames to cover the world market

[INQ. NO. 1408M01] 60mm System Window Frame

Made with unplasticized PVC (U-PVC), SIAN Co.’s 60mm system window frames (BF-60PT) guarantees superior heat-insulation effect. With a width of 60mm, BF-60PT is suitable for use in villas, apartments, hotels, officetels and luxurious mansions. Its exterior part is weatherproof and comes in colors of white, black or dark brown.

82mm Small Window Frame

“BF-82N” small window frame from SIAN is multi-functional, featuring excellent heat-insulation and soundproof effects. While its weatherproof exterior part comes in a color or white, black or dark brown, the nonweatherproof interior part comes in colors of white, white oak, acacia, lyon walnut, white pearl and sonoma oak.


Large 115mm Window Frame 1408M01_1

With a width of 115 mm, SIAN Co.’s “BF-115R2” large window frame is made with unplasticized PVC (U-PVC). Highly durable, the model is a European multi-functional type and has superb heat-insulating, soundproof properties. Its exterior part is available in colors of white, black or dark brown, while the interior part comes in a color of white, white oak, acacia, lyon walnut, white pearl and sonoma oak.

Founded in 2002, SIAN has rapidly grown into one of the leading domestic suppliers of system window frames and doors. Today, the company’s products are being exported to various countries, including Australia, the Philippines, Vietnam, India, Bangladesh, Algeria and Nicaragua.

Highly regarded for its incessant investment in research and development, SIAN has been designated as a company of innovative technology by the Small and Medium Business Administration. The company has also been officially registered as a quality product supplier by the Public Procurement Service.

1408M01_2 With ISO 9001 international certification, SIAN has obtained four international patents for its unique production technologies. The company was chosen as an “IP Star Company” by the Intellectual Property Center of Gangwon provincial government’s Industry and Economy Promotion Agency. | Blog Magazine of korean-machinery, brands and Goods

System Window

System Window - SONUSYSSonusys’s EVITZ is a window that has applied the rail concealment system and made a ground-breaking improvement to the indispensable performances of windows such as insulation, water-tightness, air-permeability, inside-wind pressure, condensation prevention, etc. as well as to the exterior(design), by using the rail cover to conceal the exposed bottom rail and creating a bottom frame with a clean plane structure.

The strength such as the fine quality of aluminum and durability has remained while maximizing the insulation effect by using the heat blocking insulation bar (polyamide).

The fourfold air-permeability structure of the rail concealing system and TPV gasket, and the appliance of specially developed air-permeability components produces an excellent sealing and effectively blocks the air leakage and noise and creates a quiet and pleasant interior space.

It is the world’s first terraced plane structure system that automatically drains the rainwater in the window frame to the outside, and one can experience the nation’s best water-tightness performance and beautiful design.

It is strongly resistant against htyphoons with fierce winds since a forced breakaway of the rail covered door is structurally impossible. It is safe since it is only removable from the inside and it is the nation’s only sliding product that can be applied to super high-rise apartments.

The window is always clean since the dust, insects, and foreign substances are automatically cleaned when the rainwater is automatically drained to the outside.The remaining sediments take one wiping to be cleaned. It can be used lifelong through a single choice.

System Window-SONUSYS
The maintenance management is very easy since the corresponding part can be replaced when there is a damage of the window frame due to a shock or careless usage. The product can be used semi-permanently and is also economical.

“For our original business aim of becoming a front runner in leading the future culture of windows and doors, we at Sounsys are ceaselessly making our utmost efforts,” the president said in a confident tone.

The company’s comparatively latest HR-System Window once drew keen attention especially among local customers, which featured both beautiful appearance and high performance along with outstanding practicality.




562-1,Gaegok-ri, Wolgot-myeon, Gimpo, Gyeonggi-do, Korea
Tel: (82-31)984-2349
Fax: (82-31)984-4777

If you want more information about ‘SONUSYS CO.’, please contact us. | Blog Magazine of Korean electronics, brands, and goods