Up to the customers' requirements, 1 set also OK.

 Yes, just send us your artwork.

10 years

Yes, but you should pay the freight cost by yourself. thanks

Yes, we are welcome you to visit us. Our factory is in Hangzhou city, you can give us schedule, then we can pick up you from the airport or the railway staiton.

Yes, but please send us the window sample, then we will open new models to you.

We need the information of the specific size and quantity, as well as the window type you want. We will offer you an exact price quotation wih our stamp.

30 days after deposit and drawing confirmed

Normally, 30% of total amount by T/T as deposit and balance before delivery. Irrevocable L/C at sight is also acceptable.

It is hard to simply say one is better,each one has its advantage. PVC is good at insulation and more economic, Aluminum is better in hardness and security.