Greensee Doors&Windows Curtain Wall Co.,Ltd has been focusing on the production of high-end aluminum doors& windows since 2001. We have a large-span steel structure factory of more than 30,000 square meters, a full set of MES intelligent interactive production lines, and unmanned intelligent warehouses. We have our own laboratory and undergo hundreds of tests from product development to implementation, 24 quality control procedures throughout the whole intelligent product process, meanwhile, we integrated the world’s leading suppliers of doors & windows hardware fittings, ensuring the high performance quality and high-end taste of our aluminum doors and windows. Now, our product lines cover aluminum doors and windows ( tilt and turn window, casement window, sliding window, hung window, awning window, lift sliding door, casement door, folding door, etc), curtain walls, guardrails, sunrooms, awnings... Our annual production capacity has reached more than 1 million square meters per year, and our products have been exported to over 12 countries around the world, and have passed CE, NFR, AS certifications. 40+designing team, uniquely designed self-developed system, 1000+ engineering project experience, we can supply one-to-one designing service. If you need high-end aluminum doors and windows, let us be your factory directly with the most direct and professional factory technical support and service.