1. strict quality control, professional produce technology. 2. elegant appearance 3. ISO 9001-2000 4. convenient service Folding door is made of ... as: lamianted glass, tempered glass, LOW-E glass3. Hardeware Fitting: With the Chinese top brand hardwares.4 Size: Available in ... : Wooden case or as per you request.6 Aluminum Surface Finish: Powder Coating, PVDF Coating, Anodized. aluminum folding door