Aluminum profile laminated double glass open sliding window

Located in Foshan, Wanjia Windows & Doors Co., Ltd. covers an area of 10,000m² and has 80
skilled workers, who are experts in designing and manufacturing all kinds of windows and doors.

Our main products are aluminum windows, aluminum doors, PVC windows, PVC doors, curtain
wall, etc.

"High quality & customer first" is always our constant pursuit. We look forward to long-term
cooperation and mutual benefits!

We have 80 skilled employees, who are experts in designing and manufacturing all kinds of
windows and door;They’ll give you professional suggestions to any question.

Please don’t hesitate to contact us!

First package with bubble bags then with high quality wooden pallets. Safe delivery guaranteed.

Q1: Are there any problems with the glass inside? Having steam or going foggy? As this will be a real problem .

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 suffering from the impact force, but it won’t break itself.

Q4: Can i use 6mm single glass instead of 5mm double glass?

A: It is better to use 5mm double glass, because A )Sliding door looks ugly with single glass. There is a wide space for glass, if you use;single glass, we will fill so much silicon in it.B) 5mm double glass is safer than 6mm single glass.C ) 5mm double glass is more soundproof than 6mm single glass.

Q5: Can you use rubber instead of glass silicon?

A: Yes, but it just can be one side, the other side has to be glass silicon. Because it is not;strong enough to use double rubber. And it is easier to fall off than the glass silicon.

Q6: What is the difference between the 90 degree and 45 degree connecting?

A: There are 90 degree and 45 degree corner connecting. 90 degree window is connected by screw, and we assemble the 45 degree window by corner brace. The 45 degree corner connecting window is new style, which is easy to overhaul.

Q7: Do you know what is U-value?

A: Yes, it simply means that every degree of temperature difference between a hotter air space and a colder air space, the heat energy will transfer per sq.m to the colder air space.For example, let say your house has a ceiling area of 100sqm, the difference in temp is 30deg, and the amount of watts you pay for consume is 6000w. Then the U-value is 6000w/100m * 30k=2w/(m *k).

Q8: 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 different materials, namely nylon, steel and Kingkong net.

Q9: 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.

Q10: 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.