Eyewear R&D, Sustainable Innovation & 50+ Patents
Backed by 50+ patents, an in-house CNC mold-making center, and advanced eco-conscious material engineering, Julong turns complex designs into high-performance, sustainable sports eyewear — with 3D CAD modeling delivered in as little as 1 hour and a physical prototype in just 7 days.
Agile Eyewear R&D & Prototyping Pipeline
1. 3D CAD & DFM Simulation (1-2 Hours)
2. Functional 3D Prototyping (7 Days)
3. Steel Tooling & T1 Sampling (20-25 Days)
Eco-Friendly Materials & Green Technology
Sustainability without compromising extreme sports durability. JuLong integrates bio-based polymers, GRS-certified recycled materials, and zero-waste tooling into our R&D roadmap to empower global brands in achieving ESG compliance.
- Reduces carbon footprint by up to 45%
- -40°C low-temperature impact resilience
- Identical lightweight memory flex as Swiss TR90
- Global Recycled Standard (GRS) certified
- Complete Transaction Certificate (TC) per batch
- High-elasticity Jacquard weave with silicone grip
- Zero heavy metals & 100% REACH/RoHS compliant
- Cross-hatch paint adhesion ≥ 4B rating
- Hot-runner injection minimizes production scrap
Proprietary Innovations & Patented Optical Systems
JuLong holds 200+ global patents across intelligent thermal defogging, magnetic modular optics, and ergonomic customization, delivering distinctive technical moats for international sports brands.
Magnetic Lens & Electric Heating System
More In One™ Multi-Purpose Sports Eyewear
Adjustable Myopia Frame
100% IP Protection & Exclusive Tooling Ownership
Legal Mutual NDA First
We execute legally binding mutual Non-Disclosure Agreements prior to receiving CAD models, protecting your proprietary geometry and brand concepts.
Exclusive Mold Certificate
You retain 100% exclusive ownership of custom mold tooling. JuLong issues a formal Tooling Ownership Certificate ensuring zero third-party utilization.
Encrypted CAD & Private Storage
All client 3D drawings are stored on encrypted internal servers, and physical steel molds are kept in isolated, humidity-controlled security vaults.
Frequently Asked Engineering Questions
Our senior optical and structural engineers return an initial 3D curvature analysis, mold draft feasibility check, and DFM report within 1 to 2 hours during business operations.
Your brand maintains 100% exclusive intellectual property and legal ownership of all custom tooling. JuLong issues a formal Tooling Ownership Certificate and guarantees your molds will never be used for any other client.
Using in-house five-axis high-speed CNC and slow-feeding wire EDM machinery, our mold tooling tolerances are strictly held within ±0.02mm, ensuring seamless lens-to-frame sealing and smooth hinge damping.
We offer castor-oil-derived Bio-based TPU and Bio-TR90 frames (45% lower carbon footprint), 100% GRS-certified recycled polyester (rPET) goggle straps, and low-VOC water-based coating finishes compliant with EU REACH and RoHS regulations.
