High Heat Insulation Energy Saving Black Aluminum Window Thin Profile Aluminium Windows and Doors Casement Windows for USA

Tilt-Turn window is fully NFRC certified and ENERGY STAR® qualified, meeting strict U.S. standards for energy efficiencyn and performance (U-factor: 0.2). Tested and rated by the National Fenestration Rating Council (NFRC), it provides verified insulation values and solar heat gain control.

So far, We have certifications and test reports of Canada Energy Star, NFRC, NAMI, AAMA, AS2047 and CE etc .
Energy-efficient, exceptional quality, beautiful design, budget-friendly, those are all about our missions for windows and doors.
With advanced & exquisite manufacturing technique, and abundant product application & service experience, Minglei team will fulfill Your needs and meet Your highest expectations.

With "ultimate thermal insulation and energy saving" as its core R&D direction, Minglei Windows and Doors achieves an industry-leading U-value (the lowest U-value among similar products on the Alibaba platform). Utilizing low-emissivity triple-glazed windows, warm edge spacers, argon gas filling, and a full-window thermal bridge blocking design, it maximizes the reduction of heat transfer between indoors and outdoors. Its winter heat retention and summer insulation effects far surpass conventional products, helping buildings reduce energy consumption by 30%-50%. This aligns with North American Energy Star energy conservation initiatives and saves users long-term energy costs, making it a preferred choice for green buildings.

We use high-grade raw materials, modern technology, and cutting-edge manufacturing processes, and skilled workers to produce windows & doors that offer superior longevity, exceptional performance, and unmatched beauty.

Our windows and doors are with flexible manufacturing for custom sizes, architectural shapes, colors and specialty finishes.
The windows and doors are certified by Canada energy star, USA NFRC & NAMI, which made to pass your local inspectors' verification and are built under Canada & USA building codes so you can rest assured that they are energy efficient, safe and sturdy.

We are very happy and look forward to a long-term partnership with you, as with our other partners in US, where our service and strength in window and door expertise can help our partners save more time and money.
Minglei has been working for the North American market for a decade, we provided the most professional plan and meaningful design with ideal price to meet all our client’s highly customized demands. With our own expertise we provide no-cost design development & contract documentation with CAD & BIM drawings, including elevation & details & installation design. Helping clients to accurately control budgets by analyzing the overall plan, including to provide the schematic design to help determine products within cost parameters. Such as use lower cost products in inconspicuous locations to reduce the overall budget: If the direction is not under long time sunlight, do not use Low-E glass; use PVC windows or aluminum windows instead of solid wood windows in unimportant rooms such as toilets or storage rooms.

We have several international patents to reduce clients’ labor costs, such as our unique flanges and assembly type tubular design, which is different from the other products on the market. What sets us apart among Chinese counterpart is that all our products are equipped with nail fin structures for quick and easy installation. Labor costs during installation may exceed of the window and door price, therefore, our exclusive patent allows users to not only get a significant increase in installation efficiency, but also greatly reduce the labor cost of window and door installation. A cost that may bring you unexpected savings that far exceed the price difference you may care about now.

Our sufficient production capacity can assure You 35 days delivery time upon drawing approval.
Each window is individually packed by four layers, and then go into strong wooden boxes.
We send out windows and doors to USA weekly, can ensure that your products will arrive at the sites in good condition after long-distance transportation.

Maybe this is your first time to import, do not understand import procedure; Or feel it is time-consuming to deal with customs, logistic & tariffs. You can just drop to us.
We can Provides one-stop door to door or DDP shipping service, handling all your import customs clearance & duties, truck delivery to Your appointed address with fair & transparent costs.

No matter what issues You faced during the installation or after use , You will be treated as new customers and get fast response within 24 hours.
Minglei offers exceptional quality products and the best services. Customers are not only obtaining the most desirable windows and doors, but also getting the peace of mind that Minglei will stand behind its NFRC certified windows and doors for 10 years warranty.
The TPS glazing unit ensures that no air leakage and fogging issues on (IGU) products for 25 YEARS WARRANTY.
Welcome to Contact us for Warranty policy

Our windows and doors were applied on more than two hundred overseas projects, including commercial and residential buildings, villas, apartments, offices etc. and gained wide praises from customers like house owners, retailers, contractors and real estate developers etc.