DAG – Dong A Plastic Group (Smartwindow Vietnam)
Composite Aluminium Doors · uPVC Windows · ACP Panels · Hanoi, Vietnam · Est. 2001

Dong A Plastic Group JSC (DAG) is a publicly listed Hanoi-based manufacturer and pioneer of composite aluminium doors and uPVC windows in Vietnam, listed on UPCOM (ticker: DAG). Operating three factories and marketing under the Smartwindow and Smart Door brands, DAG holds ISO 9001:2019 certification and produces European BS 12608-compliant uPVC profiles.
DAG – Dong A Plastic Group (Smartwindow Vietnam)
Composite Aluminium Doors · uPVC Doors & Windows · ACP Panels · Hanoi, Vietnam · Est. 2001
About DAG – Dong A Plastic Group
Dong A Plastic Group Joint Stock Company (DAG) is a publicly listed, Hanoi-headquartered group recognised as a pioneer in plastic-based construction materials, interior and exterior decoration, and architectural fittings across Vietnam. Established in 2001, DAG has grown into one of Vietnam's Top 500 largest enterprises, listed on the UPCOM exchange under the ticker DAG.
The group operates through a parent-subsidiary structure with three main production facilities: the Chau Son Industrial Park factory in Ha Nam Province (uPVC profile extrusion), the Smartwindow Vietnam factory at Ngoc Hoi Industrial Park in Hanoi (composite aluminium doors, windows, and curtain walls), and the DAS factory at Tan Tao Industrial Park in Ho Chi Minh City.
DAG's flagship Smartwindow brand was launched in 2005 and has become one of the most recognised uPVC door brands in Vietnam, carrying a BS 12608-compliant uPVC profile system (Sea Profile brand). Over two decades, DAG has earned a Third-class Labour Medal, a Prime Minister's Merit Award, and multiple Vietnamese High Quality Product citations.
What Does DAG Manufacture?
- Composite aluminium alloy doors (Smart Door brand)
- Insulated aluminium thermal-break doors (European specification)
- uPVC doors and windows with reinforced steel core — BS 12608 compliant (Smartwindow brand)
- Glass curtain walls and structural glazing facades
- Aluminium composite panels — Alu Boss and Alu Mitsu sub-brands
- uPVC profile bars — Sea Profile brand
- PVC wall cladding and nano corrugated panels
- PVC ceiling cladding panels and drop ceiling systems
- Polystyrene (PS) and acrylic mica sheets
- Hollow PVC foam board and Fomex sheets
- PP Danpla corrugated sheets
- Premium Dongaplast interior cabinet panels
Why Source from DAG?
- Publicly listed company (UPCOM: DAG) with 20+ years and financial transparency uncommon in smaller Vietnamese manufacturers
- ISO 9001:2019 certified quality system across all production facilities
- European BS 12608-compliant uPVC profile — directly applicable to Australian residential building code contexts
- Three-factory national network covering north and south Vietnam
- Government-recognised quality brand: Prime Minister's Merit Award, Third-class Labour Medal, multiple Golden Star citations
Certifications
ISO 9001:2019; BS 12608 (uPVC profiles)
MOQ
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