high end window manufacturer

Buy custom windows from China – best quality windows and doors manufacturers

Are you looking for a new window that will fit you perfectly? At Grandsea you are sure to find first-class windows and doors that suit your needs:

• Standard windows or special shapes such as arched, round or triangular windows
• High-quality materials such as aluminum clad wood, uPVC or aluminum
• Glass with multiple functions
• Handles, security options and many other details (such as soundproof windows or thermal insulation windows)

With our window and door experts, you can configure your components according to your personal wishes: soundproof windows, patio doors, commercial folding windows and many more. You always get high-quality windows and doors from China at a competitive price!

Tips and guides for buying windows

Buying windows by material

When buying windows, the material should be carefully selected to suit your needs. uPVC windows offer a cost-effective, low-maintenance and well-insulated option. On the other hand, alu-wood and aluminium windows are ideal for a high-quality look and extra stability, especially for French doors and picture windows.

Buying windows by opening type

When you order from us, we offer customised window solutions to suit your individual needs. Choose between different opening types such as tilt and turn, fixed glass or sliding, such as sliding windows and top hung windows. Our diverse range also offers parallel tilt and sliding doors to enhance the beauty of your home.

Buying windows by type

Order windows by type to perfectly suit your needs. There are a wide range of models to choose from, such as casement windows, modern sliding windows, sliding folding windows or arched windows. Our experts will help you find the ideal combination of functionality, beauty and energy efficiency.

Windows for every location

In the window portfolio you can buy windows for different purposes – at an affordable price and tailored to the requirements of various locations such as basements, rooftops, garages, offices, storage rooms, bathrooms, kitchens, bedrooms. Not all windows are created equal! Rather, it is an optical element that, depending on where it is used, performs important functions to make private and working life safer, more comfortable and more efficient. Thanks to windows and glass made of high-grade materials and modern technologies, you are protected not only from the cold, wind, weather, noise, thieves, but also from smoke and fire in case of fire, both in densely populated places in the city and in the countryside. We can also manufacture windows designed to protect you from overheating and sunlight, annoying dirt on the window panes or a bad view of the outside world, according to your needs.

The perfect window and door solution for your project

Whether it is an apartment, an artist’s villa or an entire corporate headquarters – we have the right solution for every project. Whether it is residential windows for energy-saving renovations, special colors, designer glass curtain walls for companies, villas, apartments or holiday homes, we are always at your service for every architectural challenge.

In addition to classic windows, you can also find modern sliding windows, bi-fold doors, sunrooms, windproof roller shutters and many other high-quality products made of high-quality aluminum alloys in our product catalog. You can always count on high quality from China’s top door and window manufacturers, as well as affordable prices and products tailored to your individual needs. We are also happy to provide you with personal advice! Here you can browse some of the exciting projects we have realized in recent years.

Only work with excellent window manufacturers

Grandsea has 20 years of experience in building doors and windows for private residences and commercial buildings. We have the top domestic door and window supply chain, and our strong resource integration capabilities can provide you with doors and windows that meet the highest quality standards and are affordable.

Our goal is not only to provide you with products, but also to provide you with solutions tailored to your needs.

In addition, our technical experts check the rationality and possible errors of each door and window order to ensure the highest quality and customer satisfaction.Whether it is energy saving, safety or design of doors and windows, you can get professional advice and personalized planning for customized doors and windows.

Our many customers not only benefit from many years of practical experience in door and window production and assembly, but also benefit from the price advantage of Chinese doors and windows. Contact us now and become one of our many individual customers and foreign agents!