The adult series has six production lines: Alloy, TR90, β-titanium, pure titanium, sheet metal, and aluminum-magnesium.
It offers a wide variety of styles and a complete range of products.

Zhenjiang Guoda Optical Technology Co., Ltd. is China Custom Adult Glasses Frame Manufacturers and Optical Eye Glasses Frame Factory, established in 2012, is located in the hometown of China's eyewear - Danyang City, Zhenjiang City, Jiangsu Province, China. 2020, the company's new expansion of four modern factories, covering an area of 12,000 square metres, with more than 200 professional staff, with advanced production equipment and stringent quality control standards, to provide customers around the world with high-quality eyewear products. We offer Optical Eye Wear Frame for sale.






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View MoreEvery day, your adult glasses frame is subjected to a variety of elements: skin oils, dust, sweat, and the general wear and tear of life. Proper cleaning and maintenance are not merely about clarity of vision; they are essential practices that significantly extend the lifespan of your eyewear. A well-maintained optical eye glasses frame ensures consistent comfort, optimal performance, and preserves its aesthetic appeal.
To properly care for your glasses, it helps to understand the precision and craftsmanship that goes into creating a durable adult optical eye glasses frame. High-quality frames are the result of sophisticated manufacturing and stringent quality control. For instance, at Zhenjiang Guoda Optical Technology Co., Ltd., established in 2012 in Danyang City, China, the process involves a complete manufacturing chain with strict oversight at every stage.
The company’s expansion into four modernized factories allows for specialized production across five key material lines: alloy, TR90, pure titanium, aluminium-magnesium, and plastic steel. This specialization is crucial, as each material has unique properties and, consequently, specific care requirements. The use of advanced equipment like CNC numerical control and high-precision engraving machines ensures that every component of the frame is accurately sized and shaped. This initial precision is what your maintenance routine aims to preserve.
Processes such as rough tumbling with walnut grains to remove burrs, followed by a 10-hour bright rolling process to enhance gloss, create the smooth, uniform surface you feel when the frame is new. Finally, techniques like vacuum plating apply a protective coating that enhances anti-oxidation and anti-scratch capabilities. Understanding that this delicate surface exists on your frame is the first step in learning how to clean it without causing damage. The company’s final QC inspection, which includes frame size, colour, texture, and accessory stability tests, sets the standard for the condition your glasses should be kept in.
Consistent and correct cleaning is the most effective way to maintain your optical eye wear frame. The goal is to remove grime without compromising the integrity of the lenses or the frame’s materials and coatings.
Essential Tools for Proper Cleaning
To clean your glasses effectively, you need the right tools. Avoid using paper towels, napkins, or your shirt, as these materials can be abrasive and scratch the lenses and frame finish. Instead, equip yourself with a microfiber cloth, a gentle lens cleaning solution (or mild dish soap), and lukewarm running water.
The Correct Cleaning Procedure
Begin by rinsing your adult optical eye glasses frame under a gentle stream of lukewarm water. This step is vital as it washes away loose dust and sand particles that could act like sandpaper during wiping. Next, apply a small drop of mild, lotion-free dish soap or a specialized lens cleaner to each lens. Gently rub both sides of the lenses and all parts of the frame, including the nose pads and the areas behind your ears where oils and sweat accumulate. Pay attention to the hinges, as debris buildup here can loosen them over time.
After thoroughly cleaning every component, rinse off all the soap suds completely. Any residue left behind can smudge and attract more dirt. Finally, gently shake the glasses to remove excess water and carefully dry them with a clean, lint-free microfiber cloth. For a streak-free finish, you can use a lens cleaning spray designed for glasses on the cloth first. Hold the frame by the bridge to avoid bending the temples and ensure you are not applying excessive pressure.
Over time, you may encounter stubborn dirt or specific issues that require a slightly different approach. For dried-on grime or stuck debris in the hinges, you can hold the frame under lukewarm water for a few seconds longer to soften the particles. Use a soft-bristled toothbrush, reserved specifically for this purpose, to gently dislodge dirt from hard-to-reach areas like hinge crevices and detailed engravings.
It is important to note what to avoid. Never use harsh chemicals such as household cleaners, bleach, ammonia, or acetone on your adult glasses frame. These substances will quickly degrade anti-reflective coatings on the lenses and can cause the colour plating on the frame to peel or fade. Similarly, avoid using excessive heat from hairdryers or placing your glasses in hot environments, as this can warp the frame material and compromise its structural integrity.
How you handle and store your glasses when you are not wearing them is just as important as how you clean them. Proper habits prevent physical damage like bending, scratching, and breaking.
Daily Handling and Storage Practices
Always use both hands to put on and take off your adult optical eye glasses frame. Using one hand can gradually twist and misalign the temples, putting uneven stress on the frame front and hinges. When you are not wearing them, store your glasses in a hard, protective case. This simple habit is the single most effective way to prevent accidental crushing and scratches. Never place your glasses lens-down on a surface, as this guarantees scratches. Instead, fold them and rest them with the temples open or place them upright if the design allows.
Environmental Considerations
Be mindful of where you leave your glasses. Prolonged exposure to direct sunlight can fade frame colours and weaken certain materials over time. Do not leave them on the dashboard of a car or near a window. High humidity can also affect metal components, potentially leading to corrosion, especially in frames that are not made from corrosion-resistant materials like pure titanium.
Even with meticulous care, your glasses will require occasional adjustments. This is normal and is a sign of a well-used optical eye wear frame. Regular maintenance checks will keep them fitting comfortably and functioning correctly.
Conducting a Personal Inspection
Once a month, perform a quick inspection of your glasses. Check for loose hinges by gently opening and closing the temples. They should move smoothly and offer consistent resistance. Look for any signs of misalignment by placing the glasses on a flat surface. They should sit evenly without rocking. If you notice any loose screws, you can carefully tighten them with a precision eyeglass screwdriver, but avoid over-tightening.
When to Seek Professional Help
While some minor issues can be fixed at home, there are times when professional service is necessary. If your frame is significantly bent, the temples are uneven, or a hinge is broken, do not attempt a repair yourself. This is where the expertise of an optician is invaluable. They have the proper tools and training to reshape your adult glasses frame without causing further damage, much like the final adjustment and assembly processes in a factory setting, where frames are shaped according to ergonomic design and hinges are assembled to ensure smooth opening and closing.
Furthermore, an optician can perform a professional ultrasonic cleaning, which can remove deeply embedded grime that home cleaning cannot. It is recommended to visit your optician every six to twelve months for a comprehensive check-up and adjustment to ensure your glasses remain in optimal condition.