Yuhuan Longsen Optical Co., Ltd. has now completed its 14th year of operation. Our founder often says that eyewear is not just a tool-it is a guarantee of comfort and quality of life. In the company's early days, we had only a handful of technicians and limited capital, yet we remained committed to developing frames that were both lighter and more durable.
These rimless titanium reading glasses stand as a testament to that commitment-our signature masterpiece. Designed specifically for customers with reading needs, they eliminate the bulk of traditional frames while retaining essential functionality. Our goal is for every senior wearer to experience a sensation of ultimate lightness whenever they read a book or newspaper. This human-centric design philosophy has made our rimless titanium readers highly competitive in the market.
Core Specifications
The glasses weigh approximately 9 grams-lighter than two one-yuan coins. This remarkable lightness comes from our use of Grade 1 high-purity titanium, which complies with the ASTM B348 international standard.
These rimless titanium readers offer exceptional strength while weighing only half as much as stainless steel frames. Pure titanium also provides superior biocompatibility, ensuring no skin redness, irritation, or allergic reactions.
The lenses have extremely high light transmittance, minimizing light loss and ensuring text appears crisp, clear, and sharp. Prescription strengths range from +1.00 to +4.00 diopters, all rigorously calibrated using a focimeter.
Craftsmanship Details
We maintain almost uncompromising attention to detail.
The connection points between lenses and temples use medical-grade stainless steel screws, treated with a specialized anti-loosening process to keep the frames stable even with prolonged use.
The temples are made from Beta-titanium alloy, offering exceptional elasticity and adapting automatically to the width of the wearer's head, eliminating tightness or pressure.
The nose pads are crafted from soft, air-cushion silicone, effectively relieving pressure on the bridge of the nose.
Lens edges undergo a meticulous 36-step manual polishing process, resulting in a crystal-clear, translucent finish.
All metal components have passed EU REACH environmental compliance testing, guaranteeing that the glasses are nickel- and lead-free.
About Us
For many years, Longsen Optical has provided OEM/ODM manufacturing services for renowned brands such as Haili'en. This track record demonstrates that our production processes meet international standards of excellence.
We currently hold 12 product patents, creating a technical barrier that strengthens your sales position. Our monthly production capacity reaches up to 60,000 pairs, ensuring reliable delivery of large-volume orders.
For custom requirements, we offer comprehensive OEM private-label services. The minimum order quantity for products using our existing molds is 600 pairs, and you may mix and match temple colors to test market reception. We conduct 100% full inspections prior to shipment.
Our professional after-sales team is always available to resolve any issues you may encounter.
Choose Longsen-and choose peace of mind.
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