Glass Door
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  • Glass Door Glass Door

Glass Door

Duoping is a professional supplier and manufacturer of glass doors, with advanced tempered glass processing and precision frame design technologies to ensure high quality. Its glass doors are safe, sturdy and versatile, with excellent light transmission, widely used in commercial, residential and office scenarios. The company offers customized solutions, wholesale services and strict quality control, with nationwide delivery and comprehensive after-sales support.

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Product Description

Shandong Duoping New Material Co., Ltd. is a professional R&D, production and supplier of glass doors. With years of deep cultivation in the door and window building materials industry, relying on core technologies of tempered glass processing and precision frame design, we create glass door products featuring excellent light transmission, sturdiness, safety, and versatile aesthetics. Our products are suitable for commercial, residential, office and other diverse scenarios, and are sold nationwide and overseas. We sincerely look forward to working with you and becoming your reliable partner for door and window building materials in China.

Summary of Core Product Advantages

·  Excellent Light Transmission : All-glass design maximizes light intake, expands visual space, and brightens the environment, ideal for scenarios requiring transparency.

·  Safe & Sturdy : Tempered glass is impact-resistant and explosion-proof, with no sharp edges when broken. The sturdy frame ensures both safety and durability.

·  Aesthetic & Versatile : The simple and transparent appearance integrates into various decoration styles. Customizable glass and frame styles enhance overall scene quality.

·  Flexible Adaptation : Multiple opening methods and glass types are available, suitable for commercial, residential, office and other diverse scenarios to meet varied needs.

·  Easy to Clean & Maintain : Smooth glass and frame surfaces resist dirt. Daily cleaning only requires wiping with water or neutral detergent, ensuring convenient maintenance.

Technical Parameters

Parameter Category

Specific Index

Reference Value

Testing Standard

Core Material

Frame/Glass Material

Aluminum alloy/Stainless steel frame + Tempered glass

GB/T 5237, GB 15763.2

Glass Configuration

Glass Specification & Type

Single/Double-layer tempered glass 5-12mm (Clear/Frosted/Changhong)

GB 15763.2

Core Performance

Impact Resistance/Sound Insulation

≥15J impact without breakage / ≥25dB sound insulation

GB/T 9962, GB/T 50121

Structural Performance

Opening Method/Service Life

Swing/Sliding/Translational / ≥80,000 opening cycles

QB/T 3893

Product Features and Applications

The core advantages of glass doors lie in excellent light transmission combined with safety and sturdiness. Tempered glass features outstanding impact resistance; when broken, it forms granular fragments without sharp edges, ensuring user safety. The frame is made of aluminum alloy or stainless steel, which is corrosion-resistant and structurally stable. Equipped with special sealing strips, it provides sound insulation, dustproof and waterproof performance. Meanwhile, the transparent design expands the visual sense of space and enhances environmental quality, with a service life of over 10 years.

Widely applicable, it can be used in shop windows, hotel lobbies, office building halls, home balconies, kitchens, partitions, as well as public spaces such as exhibition halls, hospitals, and banks. It supports multiple opening methods including swing, sliding and translational, and glass types can be customized as needed. It integrates seamlessly into various decoration styles for commercial, residential and office use, serving as a versatile door product combining practicality and decorativeness.

Production Details

The entire production process focuses on glass safety and frame precision. Tempered glass undergoes high-temperature treatment, with strength 3-5 times that of ordinary glass, featuring excellent impact and bending resistance. It also undergoes explosion-proof treatment to enhance safety. The frame adopts high-precision CNC processing, with tight corner assembly and uniform stress distribution. Aluminum alloy frames are surface-treated for corrosion resistance and color fastness, while stainless steel frames are polished for a high-end texture.

The connection between glass and frame is fixed by embedded card slots + high-strength sealant, ensuring firmness and enhanced sealing performance. Hinges, guide rails and pulleys are made of high-quality stainless steel or aluminum alloy, which are wear-resistant and smooth, enabling noise-free and jamming-free operation. Surface treatment supports custom colors, and glass can be processed into frosted, Changhong, laminated, coated and other types to meet different scenario needs.

Comparison with Similar Products

Glass doors differ significantly from aluminum alloy doors and solid wood doors in terms of transparency and adaptability, as detailed below:

Comparison Item

Glass Door

Aluminum Alloy Door

Solid Wood Door

Light Transmission

Excellent, all-glass design with optimal light intake

Good, combination of glass and frame with moderate light intake

Poor, fully opaque with no light transmission

Space Adaptability

Wide, transparent design suitable for all spaces

Relatively wide, focus on practicality with moderate decorativeness

Limited, suitable for spaces requiring privacy

Safety Performance

Good, tempered glass is explosion-proof and scratch-resistant

Excellent, sturdy frame with high anti-theft performance

Moderate, prone to damage upon impact

Structure and Design Description

The overall structure adopts a "metal frame + tempered glass" design. The door frame features an integrated precision design with uniform stress distribution and structural stability. Glass constitutes the main area of the door leaf, maximizing light transmission. Swing models are equipped with stainless steel hinges for smooth opening and tight closing. Sliding models use silent guide rails and high-strength pulleys for noise-free operation and excellent load-bearing capacity. Translational models are suitable for large-span door openings, saving space when opened.

Design supports customization of single, double and multiple doors, and can be equipped with accessories such as door closers and floor springs to meet different scenario needs. Glass options include clear, frosted, Changhong, laminated, coated and other types to fulfill requirements for light, privacy and explosion protection. Frame color and material are customizable: aluminum alloy frames are lightweight and aesthetic, while stainless steel frames are sturdy and high-end. The overall style is simple and transparent, adapting to diverse scenarios.

Instructions for Use and Precautions

1. After installation, check the firmness of hinges, guide rails and pulleys, as well as the sensitivity of floor springs and door closers. Regularly (every six months) apply lubricant to moving parts to ensure smooth operation.

2. For daily cleaning, wipe glass and frame with water or neutral detergent. Avoid corrosive agents to prevent damage to glass coatings and frame surfaces.

3. Avoid strong impacts on glass and frame to prevent breakage and deformation. Do not scratch the glass surface with sharp objects.

4. Regularly inspect sealing strips and accessories. Replace them promptly if aging, jamming or detachment occurs to ensure sealing and usability.

5. Laminated and coated glass should avoid surface coating scratches from sharp objects. Replace cracked glass immediately to prevent further damage.

Frequently Asked Questions

Q : Is the floor spring of glass doors prone to damage? How to maintain it?

A : Not easily damaged under normal use. Floor springs are made of high-strength materials with excellent load-bearing capacity. Keep them clean, avoid debris accumulation, regularly check sensitivity and adjust as needed to ensure long-term stable use, with a service life of over 5 years.


Q : Can glass doors be customized in large-span sizes? Is safety guaranteed?

A : Yes, large-span customization is available. Adopting thickened tempered glass and reinforced frame design, paired with high-strength pulleys or floor springs, ensures uniform stress distribution and structural stability. Meanwhile, tempered glass features excellent impact resistance, fully guaranteeing safety and suitability for large-span scenarios such as lobbies and exhibition halls.

Procurement and Customization Services

The company provides one-stop glass door customization and procurement services, supporting full-dimensional customization of opening methods, sizes, glass types, frame materials and colors, and accessories. Exclusive design schemes are provided based on scenario needs, along with free on-site measurement, effect preview and technical disclosure services.

Bulk purchases enjoy exclusive discounts. Logistics uses custom shockproof packaging with nationwide delivery. After-sales service includes a 2-year warranty. During the warranty period, non-human damage is eligible for free repair and replacement of accessories. Lifetime technical consultation and accessory supply services are provided.

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