Winco Viet Nam Construction And Trading Company Limited is a manufacturer and supplier of standard insulation PANEL, aluminum and glass doors, corrugated iron roofing sheet, panels and accessories,.. Besides, we provide construction service of prestigious Prefab houses nationwide. We have a team of staff, engineers, skilled workers, commiting to supply high quality products with diversity in design.Winco Viet Nam Construction And Trading Company Limited is a manufacturer and supplier of standard insulation PANEL, aluminum and glass doors, corrugated iron roofing sheet, panels and accessories,.. Besides, we provide construction service of prestigious Prefab houses nationwide. We have a team of staff, engineers, skilled workers, commiting to supply high quality products with diversity in design.