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Cover Glass

Your Professional Cover Glass Supplier！
 

Dongguan GL Glass Co.,Ltd is a company specializing in the production of high-precision tempered glass.It was established in 2008 and is located in Chashan Town, Dongguan City, which has a developed economy and convenient transportation.Our Product to Flat glass, hot bent glass(Classified by shape), Lighting glass, appliance glass, electronic glass, 3D printer glass, controller panel glass, PC case glass(Classified by application), AG glass, AR glass, AF glass(Classified by process).

 

 
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Why Choose Us

Expert Technical Support

Our professional engineering team provides design-for-manufacturability analysis, material recommendations, and rapid prototyping services, helping you reduce risk and speed up development.

Quality and Certification

With ISO9001, ISO14001, IATF16949 certifications and recognition as a Guangdong High-Tech Enterprise, our quality management ensures reliable and high-standard products.

 

Advanced Equipment

Our factory has a variety of advance automated production equipments, outstanding management and technical professionals, capable of processing a wide range of glass in thickness from 0.2 to 25mm, various specifications and shapes.

Global Experience

Serving both domestic and international markets, including Fortune 500 clients, we have extensive experience meeting diverse customer requirements and maintaining transparent, efficient communication throughout production.

 

Overview of Cover Glass

 

 

A cover glass protective glass layers, Cover Glass (Cover Lens) is primarily used as the outermost layer of touch screens. The main raw material for these products is ultra-thin flat glass, which offers features such as impact resistance, scratch resistance, oil and fingerprint resistance, and enhanced light transmittance.

 

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Product features

Transparency: High optical clarity is crucial for coverglasses to ensure minimal distortion and high-quality imaging. They are designed to be as transparent as possible, with minimal impurities and inclusions.

 

Flatness: Coverglass must be extremely flat to ensure an even surface for accurate focusing and imaging.

 

Refraction Index: The refraction index should match the imaging system (typically around 1.52 for glass) to minimise light refraction.

 

Chemical Resistance: For applications involving biological and chemical staining or fixatives, chemically inert cover glasses are required to prevent reactions that could affect the specimen or the imaging.

 

Coating: Some coverglasses are available with special coatings, such as anti-reflective coatings, hydrophobic coating (for liquid handling), or conductive coatings (for electron microscopy), depending on the specific application requirements.

 

AG Parameters

 

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Common types

Clear and tinted: This option offers a high light transmission with the option to add AR coating for extra transmission; this material is eligible for chemical strengthening and features good flatness with no green tint.

 

Grey glass: This glass is tined and is used for restricting or reducing light transmission. Benefits include increased privacy; reduce glare and has a reduced opacity.

Low iron soda-lime

This option offers a high light transmission with the option to add AR coating for extra transmission; this material is eligible for chemical strengthening and features good flatness with no green tint.

Anti-glare reducing etched soda-lime

This glass offers glare reduction with a high resolution, superior durability and anti-Newton ring.

Low Emissivity (low E)

This glass provides a higher window U-Value, increased insulation performance, energy savings, and decreases color fade by blocking UV light.

 

Application

 

Consumer Electronics

Smartphones, tablets, laptops, e-readers, and gaming monitors.

01

Industrial & Commercial Displays

Control panels, kiosks, POS systems, and outdoor advertising screens.

02

Automotive Displays

Instrument clusters, navigation screens, and infotainment systems.

03

Medical Equipment

Diagnostic monitors and touch-sensitive medical interfaces.

04

Public & Outdoor Displays

Digital signage, ATMs, vending machines, and ticketing terminals.

05

 

Foldable UTG Cover Glass Chemical Strengthened Custom Size

 

Material & Processing Options

Usually we make Electronic AG glass by sodalime or aluminosilicate-Depends on project needs. The surface treatment gets tweaked for each job because different applications want different things. Some need better scratch resistance, some care more about how it handles light.

 

Available Processes:
•Chemical or Physical Etching: For uniform anti-glare diffusion.
•Nano Coating Treatment: Enhances anti-fingerprint and hydrophobic performance.
•Tempering or Heat Strengthening: Improves impact resistance and safety.
•Optical Lamination: Compatible with capacitive touch or OLED displays.
•Precision Cutting & Edge Polishing: Ensures smooth edges and dimensional accuracy.

 

Customization & Service

We provide OEM/ODM customization to meet your specific project requirements.

Customization Options

Size, thickness (0.33mm–22mm)
Shape, hole drilling, and edge design
Surface gloss and haze level adjustment
Logo printing and color coating
Optical bonding and lamination integration

Quality Assurance & Testing

There's a checklist for every piece has to pass before we call it done. Transmittance, haze, surface roughness-all measured. Then we test durability: scratch resistance, hardness, how it handles heat and cold. And everything's compliant with RoHS, REACH, and ISO9001.

 

 

Certificates

 

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Package & Delivery

Package: Standard export package or Custom.
Delivery: By air express, by sea.

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FAQ

 

Q: What is cover glass for?

A: Cover Glass (Cover Lens) is primarily used as the outermost layer of touch screens. The main raw material for these products is ultra-thin flat glass, which offers features such as impact resistance, scratch resistance, oil and fingerprint resistance, and enhanced light transmittance.

Q: Is cover glass scratch resistant?

A: They do! High-quality screen protectors like those made of ultra-strong tempered glass provide another layer of protection for your phone or tablet display, helping to shield against scratches, scuffs, drops, and cracks.

Q: What are the different types of cover glass?

A: Some common options for cover glass materials are Gorilla Glass, Dragontrail glass, and soda lime glass. The strength of the material is often correlated with scratch resistance. Additional processes such as heat and chemical strengthening can be used to fortify the cover glass.

Q: Can cover glass be repaired if cracked?

A: Repairing a cracked glass pane is possible in certain situations, but it largely depends on the size, type, and location of the crack. Minor cracks can often be repaired temporarily, while more significant damage may require a full replacement.

Q: How to guarantee the quality?

A: Nothing disrupts a project like unexpected quality problems after delivery. We prevent that by building quality control into every stage. Our team inspects incoming materials, monitors the production process, and tests every finished product. We don't ship until we're confident it meets our standards-and hopefully exceeds yours.

Q: What's the production capacity?

A: 20 million units/month.
6 full automatic cutting lines.
70+ high precision CNC machines + robot arms.
6 big size chemical strengthening furnances+4 thermal tempering furnances.
6 full automatic silkscreen print lines.

Q: What certificates do we have?

A: Passed ISO9001 / ISO 14001 / IATF16949.
All supplying raw material must be RoHS / REACH / HF / MSDS etc qualified.

Q: Can we visit your factory?

A: Yes, any time as you wish.
You can visit us directly at No.17 Weijian Road, Chashan Town, Dongguan, Guangdong 523382, China.
Or we can pick you up at near airports like Shenzhen or Guangzhou after know the schedule.

Q: What's the delivery service you can offer?

A: Shipping depends on where you are. If you're local, we can hop in our own truck and bring it right to your door. For international orders, we work with trusted partners-by sea, air, rail, express, whatever makes sense for your timeline and budget. And if you already work with a forwarder, no problem. Just put us in touch and we'll coordinate with them directly.

Q: When defectives received, how to solve it?

A: Immediate response in refund / reproduction, find root cause and improvement.

We are one of the most experienced cover glass manufacturers and suppliers in China, featured by quality products and good service. Please rest assured to buy customized cover glass made in China here from our factory. Contact us for more details.

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