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Inspired by vintage aesthetics from the 1960s, the LC9107 from our LC Series Retro Memory Titanium collection blends classic geometry with modern material science. The 51-18-148 sizing is specifically engineered for average to wide face shapes, offering an oversized fit that suits both round and square face types. The bold geometric lines create a confident, intellectual look, while the retro color palette complements business casual, artistic, or everyday streetwear styles.
Key Functional Attributes
Memory Titanium Legs (Flexible): The core highlight. Made from aerospace-grade memory titanium alloy, the legs can be repeatedly bent without deformation. This ensures a snug, pressure-free fit for long-term wear, perfect for users who wear glasses all day.
Widened Frame & Leg Design: Unlike standard optical frames, both the front frame and the temples are strategically widened. This eliminates squeezing on the temples and provides exceptional stability, making it ideal for high-prescription lenses.
Durable & Ultra-Lightweight: Memory titanium is hypoallergenic, rust-proof, and weighs almost nothing. It passes 10,000+ bending tests, exceeding international durability standards (ISO 12870).
Who Is It For?
Office professionals seeking retro style with all-day comfort.
Users with wider temples or larger PD (Pupillary Distance) who struggle with standard frames.
Retailers looking for a "sell-out" model that combines fashion and function.
OEM & ODM Customization Capabilities
We are a professional B2B supplier supporting OEM and ODM services:
Custom Logo: Laser engraving on temple or lens.
Custom Packaging: Design your own eyeglass case, cleaning cloth, and box.
Color Customization: Pantone color matching available for bulk orders.
Lens Options: Prescription, blue light blocking, photochromic, or non-prescription demo lenses.
Payment & Logistics
Payment Methods: T/T (bank transfer), L/C at sight, Western Union, PayPal for samples.
Shipping: Express (DHL/FedEx/UPS) for samples/small orders; Sea freight for bulk orders; Air freight for urgent large orders. Delivery time: 15-25 days after sample confirmation for mass production.
After-Sales Service & Warranty
Warranty: 12 months against manufacturing defects on frames.
Quality Control: 100% inspection before shipment (checking for scratches, asymmetry, hinge strength, and leg flexibility).
Company Strength
CALLIN KELIEN has over 15 years of experience in optical manufacturing, exporting to 30+ countries ( North America, Southeast Asia). Our factory is ISO 9001 certified, producing 50,000+ frames monthly.
Q1: What does 51-18-148 mean?
51mm: Lens width (wide, suitable for medium to large faces)
18mm: Bridge distance (standard fit)
148mm: Temple length (extra-long to accommodate the widened leg design)
Q2: Can I bend the legs as I like without breaking?
Yes. The memory titanium alloy is designed for high flexibility. You can bend the temple tips inward/outward to customize the fit. They will return to their original shape after release.
Q3: What is your MOQ for OEM with custom logo?
MOQ for custom laser logo is only 100 pairs. For custom packaging (box + cloth), MOQ is 500 pairs.
Q4: Do you provide samples?
Yes. 1-2 sample pairs are available for quality testing. Sample cost is refundable upon bulk order confirmation.
Q5: Are these glasses suitable for children or active users?
While durable, these are designed as adult optical frames. The widened fit makes them excellent for active adults who need secure, non-slip wear.
