1, UPVC Profile: Using the chinese top brand PVC profiles. Such as: ATON, CONCH, SHIDE, or world top brand, such as: VEKA, DIMEX
2, Hardware Fitting: With the chinese top brand hardwares, like: GUOQIANG, CHUNGUANG, LIANXIN......; Also we can be with the import parts if you like, such as ROTO G-U.
3, Size: Available in any sizes as per your needs.