1.Three high rails + Thermal insulation tape
2.Innovative sliding window design for waterproofing/airtightness/soundproofing/thermal insulation
3.German imported accessories
4.After 100000 times switch test, using well-known brand accessories, product quality assurance 10 years
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leaf width specification:400mm-800mm
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leaf height specification:700mm-1500mm
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maximum weight of single giass:60kg
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5mm+19A+5mm double tempered insulating glass
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Customer Feedback
1.Welcomed by dealers in all regions, with customer satisfaction as high as 98.5%.
2.Through the mutual introduction of customers, WANJIA's business scope has been expanded to 150+ countries.
3.Meeting with distributors and contractors through offline exhibitions around the world and dispatching 25+ overseas engineers to assist in the project progress.
1.We have customized designs for 150K+ clients
2.19 years of experience in the production, research and development and sales of windows and doors, project types include residential, commercial, industrial, hotels, hospitals, schools
Product Performance
According to statistics, the use of our products can save energy consumption by more than 30% per year.
Glass Energy Efficiency
Glass plays a vital role in windows, and at WANJIA's you can choose between 2 and 3 layers of glass to maximize the jointing effect through excellent insulating profiles and sub-systems for glazing performance
Product Selling Points
Thermal Break Window
1.WANJIA's thermal break windows and doors are made of high-quality hardware and insulating materials, with a hidden isobaric drainage system to prevent wind pressure, rain and backflow.
2.WANJlA's PA66 insulation strips are the best insulation available
PA66 Preferred Insulation Strip
- Good thermal insulation
- Strong drainage performance
Inferior Heat Insulation Strip
- Poor insulation
- Impact on drainage systems
- Unable to withstand the weight of glass and wind pressure
WANJIA Windows And Doors
- Provide design proposal and rendering within 36 hours
- ISO/SGS/TUV factory inspection and testing
- 10,000+ Product debugs
Logistics Tracking System
Bush production to delivery, provide DDP logistics, three layers of packaging materials, to ensure that the transport without damage.
Extensive logistics experience saves you 45% on your logistics costs
Our Factory
Main Products
Aluminum windows, aluminum doors, upvc windows, upvc doors. Curtain wall, sunroom, etc.
FAQ
Q1:Are there any problems with the glass inside?Having steam or going foggy?
A: Usually, we use 5mm+6A+5mm double glass, you can take easy, Our double glass is made professionally, no steam or going foggy between the double glass.
Q2: All these doors and windows come with frames to mount on walls?
A: Yes, all the doors & windows include frames. Installing the windows and doors on wall is oK.
Q3: The glass is broken with no reason, I'm afraid the rest will be broken?
A: The glass would be broken only because uffering from the impact force, but it won't break itself.
Q4: What type of fly screen you could supply?
A: We have three styles of fly screen. One is roller style for casement window ,one is sliding style for sliding window and door,and the last one is folding style for casement door. Besides, the fly screen is made of 3 diferent materials, namely nylon, steel and Kingkongnet.
Q5: PVC and aluminum, which is better?
A: It's hard to simply say one is better. Each one has its advantages. PVC is good at insulation and more economic. Aluminum is better in hardness and security.
Q6: What kinds of packing do you have?
A: There are three kinds of packing, such as bubble bag, bubble bag + wooden frame,bubble bag + wooden case. If full container, we advise to use bubble bag, it can save more space and hold more goods in the same container. Usually, the packing is bubble bag +wooden frame. The best packing is bubble bag +wooden case, some bulk cargo and some developed countries, such as USA, Australia and some countries in Europe,need wooden case packing,because their special requirement and wooden case can protect the goods very well.
Why Choose Us
Integration of R & D, manufacturing, sales in one supplier, windows and doors manufacturing experience in more than 19 years
China Window and Door Sales Ranked # 1
Guaranteed delivery to the customer within 25 days
Innovate With Intention
WANJIA windows and doors have 60+ certified products.We design for how people live and work, imagining new ways to help them feel healthier and happier in the spaces where they live, work and play.
Reduced Cost Consumption
WANJIA provides one-stop door and window solutions, according to our data show that the choice of factory direct sales can save up to 30% of the cost, compared with traditional channels, so that you can enjoy more affordable products while maintaining high quality, to provide you with a more excellent price-performance ratio to reduce the cost of consumption.
Thoughtful Details
We are committed to functional and intuitive product design, and our products are crafted with superior technology. A team of 20 engineers are dispatched to provide professional guidance and engineering assistance for installation services, with a 98%after-sales service satisfaction rate, providing quality you can see