3W windows & doors are designed, produced and installed by 3WWINDOWS INC. which was founded in 1994. Our factory is located in Qingpu Industry District which is very convenient for transportation. We were one of the first companies to produce aluminum windows and doors in China. We are a government certified window and door manufacturer. With a total manufacturing and office area of more than 22,000Sqm. With more than ten years’ experience, we have a modern office building, advanced machines and skilled staff. We have 3 product lines which produce aluminum windows and doors and the annual production is 2000,000 Square feets; We have 1 product line which produces European wood /Al-wood windows and the annual production is 660,000 Square feets; We have 1 product line which produces American style wood/Al-wood windows and the annual production is 400,000 Square feets. We have more than 300 staff with extensive experience in this field. We have the in house capability to design, produce and install windows, which allows us to offer our customers a first-class total inclusive service.

    3W products are produced with quality larch and white pine as the main raw materials of the window frames, we utilize Roto & Siegenia hardware, Remmers water based paints, insulated glass and advanced weather stripping, which assures the operational and structural quality of 3W windows and doors. 3W products have excellent heat insulation, sound-proofing, water resistance, environmental protection and energy saving performance. Our testing shows that 3W products are leaders in the window and door field.3W promises you to offer not only top-gradequality windows and doors but also top-grade customer service.