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ALAFORM custom door and window system company from China, our main business is custom doors and windows system, scope of products: steel doors and Windows, aluminum doors and Windows, aluminum wood doors and Windows, wooden doors and Windows, PVC doors and Windows, frameless glass doors and Windows, we service clients from all over the world, our windows and doors are in line with the United States AAMA test standards, Canada QAI and CSA certification test, energy star certification, Australia AS2047 test standard. High quality Windows and doors will contribute to your building energy efficiency, takes up a little of your time, visit our website, you will shine at the moment, find products of interest to you, we hope that our products can help you design buildings add luster! We will feel very honored!

         Portella manufactures individually engineered, high-quality architectural steel doors and windows; contemporary metal doors; pivot doors, gates, railings, and hardware.
We've also crafted a solid reputation for our quality of workmanship, attention-to-detail, and superior customer service with our clients as well as our peers in the building industry.
If you are building or remodeling, we have the perfect steel door, window, gate or railing to complement any architectural style...or let us design something unique just for you.