Precision-engineered optical products crafted with aerospace-grade titanium, high-grade acetate, and advanced CNC micro-machining technology for international B2B distributors and brand owners.
Deconstructing the engineering paradigm shift from traditional full-rim frames to stress-distributed, micro-drilled titanium rimless architecture.
In high-end optical manufacturing, ODM Rimless Glasses (Original Design Manufacturing) represent the pinnacle of minimalist structural mechanics, material science, and precision engineering. Unlike traditional full-rim acetate or monel metal frames—where structural integrity is governed by surrounding frame channels—rimless frames rely exclusively on direct lens-to-component mounting systems. Every force exerted during frame flexure, temple opening, or daily donning is transmitted directly through micro-drilled holes in the lens medium. Consequently, mastering rimless optical frame OEM/ODM manufacturing demands deep technical expertise in structural stress absorption, metallurgical physics, and ultra-precise micro-machining tolerances.
Standard OEM optical frames allow up to 0.15mm of dimensional tolerance in lens groove seating. Conversely, advanced ODM pure titanium rimless systems mandate a micro-drilling tolerance threshold under ±0.02mm. Deviations exceeding this threshold result in stress concentration, causing radial micro-cracking in high-index prescription lenses (e.g., 1.67 or 1.74 MR-8/MR-10 resins) or catastrophic mechanical failure under cyclical flex testing.
At Yintai Eyewear, our 15-year engineering evolution has focused on solving the intrinsic mechanical vulnerabilities of rimless optics. By replacing rigid screw-and-nut assemblies with tension-calibrated compression bush sleeve bushings (polycarbonate/nylon elastomers) and utilizing Japanese/German Beta-Titanium alloys (Ti-15V-3Cr-3Sn-3Al), our technical team has engineered frame architectures that achieve zero-play lens retention while absorbing up to 45% more lateral torsional force than conventional rimless hardware.
Evaluating yield strength, Young's modulus, biocompatibility, and corrosion kinetics for premium global B2B optical OEM/ODM sourcing.
Characterized by superior biocompatibility, zero nickel-allergy release, and exceptional anti-corrosion properties against human sweat and ocean salinity. Ideal for rimless bridge elements and nose-pad arms requiring permanent structural rigidity without shape deformation.
Boasting a lower Young's Modulus (~100 GPa) and ultra-high yield strength (>1000 MPa), Beta-Titanium provides hyper-elastic temple flexure. It accommodates varying cranial head widths effortlessly without exerting pressure on temporal bones.
Utilizing Physical Vapor Deposition (PVD) in Class 10,000 cleanroom environments to coat titanium frames with Titanium Nitride (TiN) or Chromium Nitride (CrN), achieving ultra-durable IP gold, rose gold, gunmetal, and matte black finishes resistant to scratch and corrosion.
| Material / Component Parameter | Standard Commercial Alloy | Yintai Premium Pure Titanium | Yintai Aerospace-Grade Beta-Ti |
|---|---|---|---|
| Density (g/cm³) | 8.4 - 8.9 (Monel/Brass) | 4.51 (Ultra-lightweight) | 4.82 (High Strength-to-Weight) |
| Tensile Strength (MPa) | 400 - 550 | 580 - 680 | 1,050 - 1,250 (Hyper-elastic) |
| Corrosion Resistance | Moderate (Prone to oxidation) | Immune to sweat, salt water, acid | Immune to sweat, salt water, acid |
| Biocompatibility Standard | May release Nickel ions | 100% Hypoallergenic (ISO 10993) | 100% Hypoallergenic (ISO 10993) |
| B2B Application Suitability | Budget mass-market optical | Luxury Rimless Business Executive | Flexible Tech & Minimalist Sport Rimless |
Analyzing diverse regional user intent profiles to assist optical brand buyers, chain retailers, and private label importers in targeted collection planning.
Target Market: North America & Western Europe.
Intent Profile: High-net-worth professionals seeking invisible, weightless framing that projects intellect and subtlety during executive board meetings, international negotiations, and high-profile media appearances.
Target Market: Global Tech Hubs (Silicon Valley, Bangalore, Tokyo, London).
Intent Profile: Software engineers and data scientists requiring ultra-lightweight chassis (<12g complete weight) combined with anti-blue-light high-index progressive lenses for 10+ hour screen sessions without facial fatigue.
Target Market: East Asia (Japan, South Korea) & Northern Europe.
Intent Profile: Boutique optical buyers looking for architectural elegance, geometric laser engraving on temple arms, hand-finished Japanese acetate tips, and custom jewel/diamond-cut rimless lens beveling.
Target Market: Global Hospital & Optometry Chains.
Intent Profile: High-diopter prescription wearers (-6.00D to -10.00D) requiring high-index MR-8/MR-10 lens compatibility and ultra-stable dual-pin mounting bridge systems to prevent vertex distance drift.
Pioneering the next decade of optical manufacturing: Smart rimless chassis integration, laser precision welding, and generative AI CAD design systems.
Integrating 5-axis automated CNC drilling stations equipped with diamond-tipped bits. Achieves hole diameter precision of 1.4mm (±0.01mm) with zero edge chipping on delicate 1.74 ultra-high-index resin lenses.
Replacing legacy screw-and-barrel hinges with friction-locked interlocking titanium leaf springs. Eliminates screw loosening, reduces temple assembly weight by 35%, and passes 100,000-cycle open/close durability tests.
Engineering micro-hollowed titanium temples designed to embed micro-lightguide optics and Bluetooth 5.3 SoC chipsets, serving next-generation augmented reality (AR) smart eyewear manufacturers globally.
Leveraging China's premier Guangdong-Hong Kong-Macao Greater Bay Area eyewear manufacturing ecosystem for unrivaled agility, cost control, and quality consistency.
Yintai Eyewear is a premier optical manufacturer based in Shenzhen, Guangdong Province, China. Over 15 years of continuous research, technological investment, and operational refinement have propelled Yintai from a specialized workshop into a modern, vertically integrated enterprise encompassing technical R&D, high-precision manufacturing, and direct international B2B sales.
Located in the industrial park at Fuji Land Building, equipped with fully automated production lines, CNC machining centers, Class 10,000 cleanrooms, and automated plating lines, ensuring stable output and consistent product quality.
Our workforce exceeds 200 dedicated employees, anchored by a 10-member elite R&D technical engineering team driving continuous product innovation, mold design optimization, and rapid prototyping.
From raw material procurement and proprietary mold development to CNC milling, vacuum plating, and final assembly, vertical integration delivers controllable costs, faster lead times, and unyielding quality control.
★ Factory Area: Over 5,000 m² modern facility.
★ Employee Scale: 200+ full-time optical specialists.
★ Monthly Output: Up to 20,000+ units supporting large-scale enterprise global order demands.
★ Certifications: Fully compliant with ISO9001, CE, RoHS, and REACH standards.
★ Strict QC Pipeline: Full execution of IQC, IPQC, and FQC inspection protocols, delivering a 99.0% product qualification rate.
★ Market Knowledge: 15 years deep expertise servicing Tier-1 optical brands in Europe, North America, and Asia.
★ Technical R&D: 10-person dedicated engineer team offering full CAD/3D OEM & ODM custom solutions.
★ Rapid Inquiry Response: Global overseas sales desk guarantees initial response within 24 hours.
★ One-stop B2B Solutions: Seamless end-to-end management from CAD quotation and 7-day rapid prototyping to mass production and door-to-door global logistics.
Ensuring frictionless market access for global eyewear importers across North America, the European Union, Australia, and Asia-Pacific.
Every rimless frame manufactured by Yintai complies strictly with European Standard EN ISO 12870 for spectacle frames, guaranteeing mechanical endurance, sweat corrosion resistance, dimensional stability, and flammability compliance.
Our rimless lens mounts and demo lenses meet US FDA impact resistance requirements under 21 CFR 801.410 (Drop Ball Impact Test), providing peace of mind for North American optical distributors and retail chains.
All raw materials—including pure titanium, Beta-titanium wire, high-grade Italian/Chinese acetate, silicone nose pads, and protective electroplating coatings—are certified 100% lead-free, nickel-release compliant, and free of phthalates.
Direct technical and operational answers tailored for wholesale buyers, brand directors, supply chain managers, and optical engineers.
Answer: For standard ready-to-ship inventory or low-MOQ test orders, our MOQ starts as low as 10 pieces per model (such as selected acetate and titanium frames). For fully custom ODM projects requiring unique mold tooling, custom colors, laser logos, and bespoke structural chassis, our standard B2B MOQ is 300 to 500 pieces per model, with 2-3 color variants allowed.
Answer: We employ a dual-action protection protocol: First, our 5-axis CNC diamond micro-drilling ensures zero micro-fissures around hole borders. Second, we utilize custom-engineered nylon expansion bushings and compression sleeves that act as mechanical shock absorbers between the metal titanium post and the lens polymer, distributing torque evenly.
Answer: Yes. We offer comprehensive private-label OEM services, including high-precision fiber laser engraving on titanium temples, metallic foil stamping on acetate tips, custom pad-printing on demo lenses, and customized eco-friendly eyewear packaging boxes with matching microfiber cleaning cloths.
Answer: 3D CAD modeling and technical blue-print confirmation require 48 hours. 3D sample prototyping takes 7 to 10 working days. Rapid CNC sample approval takes 15 to 20 days. Full-scale mass production lead time is generally 35 to 45 days, depending on custom color plating and order volume.
Answer: All Yintai frames are covered by a 12-month quality guarantee against manufacturing defects. Operating under ISO9001 protocols with IQC, IPQC, and FQC stages, we maintain a 99.0% first-pass yield rate. In the rare event of a defective frame, direct 1:1 replacements are issued in the subsequent shipment batch.
Explore our full range of high-performance optical frames, vintage acetate designs, and custom titanium eyewear crafted for global B2B markets.
Yintai Eyewear