Step2: choose material and color.
Step3: inform us your requirements,like sliding, bi-fold, tier-on-tier, bay window etc.
Step4: make quotation and customer /confirm/i.
Step5: deposit and we make drawing.
Step6: modify & confirm drawing and begin production.
Step7: send pictures to customer when finished, or customer make inspection in our factory.
Step8: balanced payment and delivery.
Any more questions , please feel free to contact us.