* Q: Do you offer customized greenhouse? A: Yes. We will offer design program and quotation to you as long as you offer details of local climate and requirements of the greenhouse you want. * Q: How long is your delivery time? A: Generally it is 20-30 days after order. * Q: Do you provide samples? Is it free or extra? A: Yes, we could offer the sample when we are doing activities but do not pay the cost of freight. * Q: How to install the greenhouse? Do you provide installation service? A: We will provide paper or video building manual, or if needed we will send engineer to do installation guidance.