Julong provides sports sunglasses OEM solutions for brand designers, wholesalers, and e-commerce sellers – from 3D prototyping to mass production, backed by an 8,000 m² dust-free factory and 30+ design patents.
Build your line from proven frames – customize colors (Pantone matched), lenses, logo, and packaging, with a finished sample in about 7 days. 300 pcs per model per color MOQ; browse frames in our products catalog.
OEM Services
You provide CAD drawings or samples; our 8-engineer R&D team returns 3D structural suggestions within 24-48 hours. Two-stage QC – PPS confirmation plus 100% pre-shipment inspection – and 1-year quality assurance guarantee 1:1 reproduction of your specs.
ODM Solutions
Co-create a unique frame from scratch with our R&D team, from 3D modeling to rapid prototyping, 100% exclusive and protected. Backed by 30+ proprietary design patents and 5-15 new shapes developed every year.
Need It Now? Ready-to-Ship Collection
Skip production wait times: ship verified best-sellers in 3 days, testing new markets from just 20 pcs.
Customized Enterprise Solutions for Every Business Type
One-stop services for three client types, powered by our 8,000 m² facility, 105-person team, and 30+ design patents. Learn more on the About Us page.
For Brand Designers & Startups: Turn Complex 3D Designs into Sellable Products
An 8-engineer R&D team returns 3D structural suggestions within 24-48 hours. A NDA-first workflow, segregated tooling, and 30+ proprietary design patents keep your concept exclusive.
From Sketch to Patented Structure for a US Outdoor Brand
Challenges
Needed a proprietary magnetic quick-change lens system that open-mold suppliers said was impossible to mass-produce.
Solution Provided
3D structural suggestions in 48 hours, a rapid fit-test prototype, and NDA-locked exclusivity with segregated tooling.
Client Feedback
“The samples are approved, and we are excited to get things moving!”
Optical Standards & Tolerance Verification for a European Designer Label
Challenges
Needed to verify optical standards, tolerances, and material behavior before tooling – fast enough for the seasonal calendar.
Solution Provided
Tolerance sheets, TR90 datasheets, video-documented drop tests, and a 3D-printed sample within days; production to EN166/EN167/EN174 with CE and FDA certificates.
Client Feedback
“Thanks for helping us achieve the best sunglasses for our market. Highly appreciated!”
Design Confidentiality for a First-Time Startup Founder
Challenges
A first-time founder needed guaranteed confidentiality after a supplier reused their design, plus hands-on compliance guidance.
Solution Provided
NDA signed before file exchange, segregated tooling, restricted sample photos, and video-call guidance from materials to FDA documentation and payment setup.
Client Feedback
“Thanks for your professional and responsive team. Great job!”
For Wholesalers, Distributors & Supermarkets: Stable Supply, Audited Compliance, Locked Lead Times
80,000-100,000 pcs monthly capacity, ISO 9001 and BSCI audits, and CE (EN166/EN167/EN174) plus FDA certification keep supply stable and customs smooth. A 300 pcs per model per color MOQ and tiered pricing keep inventory lean.
Capacity Verification and a Locked Delivery Window for a US Distributor
Challenges
Needed verified monthly capacity and a committed lead time after a supplier cost them a season.
Solution Provided
80,000-100,000 pcs monthly capacity across two bases, a 70-person team, a delivery window written into the PI, and 100% pre-shipment inspection.
Client Feedback
“After all these years we finally got a gorgeous trade with such a professional manufacturer.”
CE & FDA Documentation for a European Supermarket Chain
Challenges
Needed complete CE, FDA, and batch inspection documentation after a previous shipment was held at customs.
Solution Provided
Every carton shipped with its inspection report, approved PPS sample, and CE/FDA certificates, plus ISO 9001 and BSCI audit reports.
Client Feedback
“My customers really love the sunglasses that I had made through Julong. Everyone is very impressed with the quality.”
Tiered Pricing and a Flexible MOQ for a Regional Wholesaler
Challenges
Wanted to expand to a three-model program without large per-SKU minimums or a single upfront payment.
Solution Provided
Tiered pricing across the program, a 300 pcs per model per color MOQ, and a 30% deposit with 70% balance before shipment.
Client Feedback
“Everything came perfect! Perfect shape and design of sunglasses with high quality.”
For E-Commerce Power Sellers: Patent-Safe Products, Fast Iteration, Ready-to-Use Content
30+ proprietary patents and appearance modification keep you clear of IP claims; 5-15 new shapes and 24-48 hour 3D sampling refresh your catalog. Every order ships with a marketing asset pack from our in-house team.
Escaping an IP Takedown with a Patented Redesign for a US Marketplace Seller
Challenges
Faced an IP complaint after their open-mold frame resembled a patented design – and needed a fast alternative.
Solution Provided
Frame appearance rebuilt around our patented structural elements, 3D renderings approved within 48 hours, sold exclusively under the client’s brand.
Client Feedback
“The samples are approved, and we are excited to get things moving!”
Monthly New Arrivals for a Fast-Moving Online Brand
Challenges
Needed fresh monthly styles to hold storefront ranking, but factories quoted long cycles and rigid minimums.
Solution Provided
Access to our 5-15 shapes-per-year pipeline, 24-48 hour 3D sampling, and 300 pcs per model per color trial batches.
Client Feedback
“Thanks for helping us achieve the best sunglasses for our market. Highly appreciated!”
White-Background Imagery & Custom Packaging for a DTC Seller
Challenges
A DTC seller with no studio or designer saw listings go live late while assets lagged production.
Solution Provided
An in-house asset pack – white-background photos, lifestyle shots, 2D/3D renderings – plus a custom color box and laser-engraved temple logo.
Client Feedback
“Thanks for your professional and responsive team. Great job!”
Transparent Commercial Terms
Standard terms for every program – contact our team for a quotation within one business day.
Item
Julong Standard Terms
MOQ
300 pcs per model per color. Orders below MOQ accepted at unit price +10% (machine setup costs).
Payment Terms
30% deposit to start production; 70% balance before shipment.
Sampling
Sample fee charged (PayPal); freight collected from buyer. Send your model reference and requirements to begin.
3D Sampling Response
R&D returns structural suggestions within 24-48 hours.
Quality Control
Two stages: PPS (pre-production sample) confirmation before mass production + 100% pre-shipment inspection.
Logo Options
Silk-screen printing, laser engraving, etching, metal badge with epoxy, metal trim. Positions: temple, lens corner, nose bridge, strap, packaging.
Customization Scope
Lens coatings, frame colors (Pantone matched) and sizes, strap types, packaging (color box / hard case).
A 20-person overseas business department plus in-house photography, design, and 3D engineering teams support you in your timezone.
Stress-Free Sample Program
From 3D drawing to finished sample, we support limitless customizations.
35-day Lead Time
Two factories give Julong the capacity to guarantee an average lead time of 35 days.
One-year Quality Assurance
Every product is covered by a one-year quality guarantee with worry-free after-sales service.
What is the MOQ for custom sports sunglasses?
Our standard MOQ is 300 pcs per model per color. Orders below MOQ are accepted at +10% unit price to cover machine setup costs.
What is Julong’s monthly production capacity?
80,000-100,000 pieces per month across two manufacturing bases, with an 8,000 m² dust-free assembly workshop and a 105-person team including 70 production staff.
What are the payment terms?
30% deposit to start production, 70% balance before shipment. Sample fees via PayPal, with freight collected from the buyer.
How do you control quality during mass production?
Two stages: PPS (pre-production sample) approval before mass production, then 100% pre-shipment inspection. The written report ships with your goods.
How fast can you provide 3D samples or structural suggestions?
R&D responds with 3D structural suggestions within 24-48 hours of receiving your files. We develop 5-15 new shapes every year.
Can you protect my design from being copied or leaked?
We sign an NDA before file exchange, store tooling separately, and can register the design under your name. Our 30+ proprietary design patents give ODM clients structures competitors cannot copy.
Which compliance certificates do you provide for customs clearance?
We are ISO 9001 and BSCI audited, with CE (EN166/EN167/EN174) and FDA certification for North America, Europe, Australia, and Southeast Asia. Certificates ship with every order.
Ready to Start Your Eyewear Project?
Tell us your cooperation model – private label, OEM or ODM – and your target timeline. Our R&D team responds within 24 hours with structural suggestions and pricing.
