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Chinese Sliding Windows Manufacturer

Reliable Sliding Windows Manufacturer

Grandsea manufactures premium sliding windows built for the U.S. market, combining durability, energy efficiency, and modern design. Available in aluminum, uPVC, and wood-clad options, our sliding systems deliver smooth operation and long-term performance for residential and commercial projects. Each window is engineered to U.S. standards, making it a reliable choice for importers, wholesalers, and contractors handling large-scale developments.

With OEM/ODM customization, flexible sizes, and multiple glazing and finish options, our sliding windows adapt to diverse architectural needs while offering competitive factory-direct pricing. Whether supplying distributors or managing housing projects, Grandsea provides a dependable supply chain and windows that balance style, comfort, and cost efficiency.

Excellent energy efficiency

Our sliding windows use advanced double-glazing and airtight design to effectively block hot and cold air, significantly reduce energy consumption, and help you save up to 30% of energy expenses

Easy to operate

Adopting a high-quality sliding rail system, you can get in with just a push, and the elderly and children can also operate it easily

Space-saving design

The sliding opening method saves extra space and is suitable for rooms with limited space, such as kitchens, bedrooms, etc.

Wide and unobstructed view

The ultra-large glass panel design minimizes frame obstruction, giving you a panoramic view of the outdoor landscape and allowing natural light to fully illuminate the interior

Good ventilation effect

Multiple glass panels can be opened at the same time to create sufficient natural ventilation and effectively improve indoor air quality

Low maintenance cost

Our sliding parts have been quality tested tens of thousands of times, and high-quality accessories minimize the frequency and cost of daily maintenance

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aluminum clad sliding windows

Aluminum clad wood sliding windows

Aluminum Sliding Glass Windows

Double Glazed Aluminum Sliding Windows

white Aluminum Sliding Windows

Popular Products
More than 800+ customers buy favor
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Exclusive Series Double Track Sliding Window

This high-end sliding window adopts aviation-grade aluminum alloy frame and Low-E double-layer insulating glass, which has excellent suffocation performance. The unique sliding sliding design makes the window slightly raised when opened and tightly fits the sealing strip when closed to ensure the best sealing effect. Suitable for large-area window opening needs such as lobby and bedroom.

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Black classic double track sliding window with shutters

This economical sliding window is made of aluminum alloy material, with excellent weather resistance and heat preservation. The double track design can open two windows at the same time, providing a larger ventilation area. At the same time, the glass has built-in shutters, which is suitable for study rooms, balconies and other spaces that require light blocking.

Why Choose Grandsea Sliding Windows?

With over 25 years of manufacturing expertise and more than 800 successful projects completed worldwide, Grandsea is a trusted partner for U.S. importers, contractors, and property developers. Our sliding windows are built with advanced technology and high-grade materials, delivering durability, energy efficiency, and modern style at scale. Whether you’re renovating a home, upgrading a commercial property, or supplying large residential projects, we provide solutions that combine craftsmanship with cost efficiency.

Top benefits of our sliding windows:

  • Space-saving design, perfect for kitchens, patios, and balconies
  • Superior thermal insulation for year-round comfort
  • Smooth, user-friendly sliding mechanisms
  • Modern, sleek aesthetics to enhance any room
  • Excellent resistance to weather, moisture, and daily wear
  • Custom sizing, colors, and glass options
  • Affordable, factory-direct pricing

Our Sliding Window Options

  1. Aluminum Sliding Windows Durable, low-maintenance, and stylish — available in both horizontal and vertical designs. Perfect for kitchens, dining rooms, and commercial counters.
  2. Wood-Aluminum Sliding Windows Enjoy the warmth of natural wood paired with the strength of aluminum. These windows deliver classic charm and top-notch energy efficiency.
  3. Horizontal Sliding Windows Ideal for patios, terraces, and large balconies. A space-saving solution with wide glass panes that bring in natural light.
  4. Vertical Sliding Windows Perfect for upper floors or compact spaces. Add a touch of traditional elegance while saving room.
  5. Double & Triple Sliding Windows Enhanced ventilation and flexibility with multiple sliding sashes — a great choice for larger openings.
  6. Black Frame Sliding Windows Modern, bold, and stylish. Add a sleek architectural finish to any contemporary space.

Custom Sliding Windows for You

At Grandsea, we don’t believe in one-size-fits-all. Our windows are fully customizable, allowing you to choose:
  • Frame material (uPVC, aluminum, aluminum-clad wood)
  • Glass type (insulated, tinted, laminated)
  • Frame color & finish (including stylish black frames)
  • Sizes (standard or custom dimensions)
  • Accessories (insect screens, hardware, and security features)
With endless design possibilities, you can create windows that match your lifestyle and design vision.

Why You Can Trust On Grandsea

For years, Grandsea has been a trusted window and door manufacturer, delivering products that meet U.S. energy standards, safety requirements, and modern design trends. Our combination of craftsmanship, affordability, and customization makes us the preferred choice for:
  • Homeowners upgrading to energy-efficient windows
  • Contractors and builders seeking bulk orders
  • Commercial property owners renovating offices, shops, and restaurants

Order Your Sliding Windows Today

Upgrade your home or commercial project with Grandsea’s premium sliding windows. With unbeatable quality, customization options, and affordable pricing, we are your reliable partner in window solutions.
 
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Get Every Answers About sliding windows

Sliding windows open and close by moving one or more sashes along a track, either horizontally (for horizontal sliding windows) or vertically (for vertical sliding windows). This smooth movement is enabled by:

  • Rollers: Mounted on the movable sashes to allow easy, low-friction sliding.
  • Guides: Fixed to the window frame to direct and support the sashes during operation.

This design means that sliding windows do not take up any extra space when open, making them ideal for rooms with limited space.

Sliding windows are windows that open and close by sliding rather than relying on a rotating or tilting mechanism. They usually consist of at least one movable sash that slides along a horizontal or vertical path. They usually open and close by simply pushing the movable sash.

Here are some common sizes:

24 x 48 inches: Often used in bathrooms or smaller spaces

60 x 48 inches: Common in dining rooms, larger kitchens, living rooms, and bedrooms

72 x 60 inches: Large standard size commonly used in living rooms and bedrooms

Grandsea offers sliding windows that can be customized to your visual needs with different sizes and functions.

The best material for sliding windows depends on your specific needs: uPVC windows are economical and energy-efficient, with low maintenance costs; aluminum windows are lightweight, strong, durable, and can easily adapt to various architectural styles; aluminum-clad wood windows combine the classic appearance of wood with the durability of aluminum, offering excellent sound and heat insulation, though they come at a higher price point.

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