Engineered for high humidity, anti-reflective (AR) coating preservation, and rapid residue-free evaporation.
Sri Lanka’s strategic position in the Indian Ocean, coupled with its booming healthcare infrastructure, retail optometry expansion, and robust apparel manufacturing hubs (e.g., Katunayake Free Trade Zone, Biyagama, and Kandy), presents a distinct operational environment for optical accessories. Navigating this market requires an in-depth understanding of the island’s tropical microclimates, high ambient relative humidity (often exceeding 80–90% in coastal regions like Colombo, Galle, and Jaffna), and airborne particulate composition.
In high-humidity environments, traditional lens cleaners fail due to atmospheric moisture absorption, leaving streaks, smudges, and moisture film on multi-coated lenses. Furthermore, Sri Lanka’s rapid urban modernization across Western Province and Central Province has triggered high consumer demand for premium spectacles, blue-light blocking computer glasses, and anti-reflective coated sunwear distributed by premier optical chains such as Vision Care, Wickramarachchi Opticians, and Eric Rajapakse Opticians.
As a specialized manufacturer operating directly out of the Danyang optical production hub, Danyang River Optical Glasses Co., Ltd. redefines lens hygiene by replacing aggressive alcohol-based liquids with high-purity, environmentally friendly amphiphilic surfactant matrices. Standard market sprays containing isopropyl alcohol strip away organic AR coatings over time and break down glue seals on rimless frame mountings. Our engineered solutions provide superior optical clarity without chemical degradation.
| Technical Parameter | Standard Commercial Cleaner | Our Danyang OEM Formulation | Benefit for Sri Lankan Consumers |
|---|---|---|---|
| Alcohol Content | 15% - 40% Isopropanol | 0% (100% Alcohol-Free) | Zero risk of AR coating delamination or polycarbonate cracking. |
| Surface Tension | ~45 mN/m | < 22 mN/m (High Wettability) | Instant uniform dispersion; no fluid pooling on hydrophobic surfaces. |
| Anti-Static Rating | Negligible | < 10^9 Ω (Surface Resistivity) | Repels airborne particulate dust prevalent in tropical environments. |
| Drying Velocity | Slow (Leaves Water Spots) | Flash Evaporation Formula | Quick 3-second streak-free drying with micro-fiber cloth. |
| Eco & Health Safety | VOC Emissions present | REACH / RoHS / FDA Compliant | Non-toxic, safe for skin contact, child-safe bio-degradable bottle packaging. |
When sprayed onto polycarbonate, CR-39, trivex, or high-index optical lenses (1.61, 1.67, 1.74), the liquid forms a monomolecular layer. Amphiphilic molecules orient their hydrophobic tails toward ambient airborne grease while their hydrophilic heads lock onto the silica structure of the optical coating. This neutralizes surface static electricity, preventing ambient dust attracted by friction from scratching the lens during micro-fiber wiping.
Danyang is world-renowned as the premier global hub for optical lens, frame, and accessory manufacturing. Danyang River Optical Glasses Co., Ltd. (established March 12, 2012) sits at the heart of this industrial ecosystem, directly leveraging direct factory integration, raw chemical sourcing advantages, and automated high-speed bottling lines.
For importers, wholesale distributors, and retail optical networks in Sri Lanka (spanning Western, Central, Southern, and Northern provinces), partnering directly with our Danyang facility removes intermediary markups, ensures 100% batch consistency, and guarantees rapid sea freight dispatch via major maritime shipping corridors direct to Colombo Port or Hambantota International Port.
Class 100,000 cleanroom filling lines guaranteeing zero micro-contamination inside spray nozzles.
Custom bottle capacity (20ml to 120ml), custom silk-screen printing, thermal transfer logos, and localized Sinhala/Tamil/English back label warnings.
Direct raw material purchasing advantages in Danyang enable up to 35-40% savings compared to localized European/Japanese imports in Sri Lanka.
Proximity to Shanghai and Ningbo ports with direct feeder lines straight into South Asia within 12 to 14 days transit time.
Driven by advancements in optometry materials and eco-conscious consumer shifts, our R&D roadmap focuses on three technological pillars designed to serve the Sri Lankan market and global partners over the next half-decade:
Transitioning standard PET/PP bottles to 100% Post-Consumer Recycled (PCR) plastics and biodegradable wheat-straw composites to align with Sri Lanka's growing national environmental marine protection directives.
Deploying nano-silane cross-linking technology that binds to glass and resin surfaces for up to 72 hours per single spray application, standing up to extreme tropical thermal shocks when stepping out of air-conditioned rooms into Colombo's heat.
Providing Sri Lanka’s leading optical retail networks with automated in-store bulk lens cleaning refill stations, empowering consumers to reuse their branded spray containers and reducing single-use plastic waste.
Empowering global retailers and Sri Lankan optical stores with a one-stop digital procurement and manufacturing network.
As is widely recognized in the global optics industry, Danyang is a renowned national eyewear production, sales, and service distribution center with a deep industrial foundation and vast market scale. Danyang River Optical Glasses Co., Ltd. specializes in producing eyewear accessories, spectacle frames, lenses, laboratory equipment, contact lenses, and specialty maintenance liquids.
Rooted in the core Danyang glasses market, our company serves national and international glasses industry retailers by integrating offline manufacturing strengths. Conveniently situated near the Shanghai-Nanjing Expressway, Shanghai Hongqiao/Pudong Airports, Nanjing Lukou Airport, and Changzhou Airport, our logistics network facilitates rapid export dispatches world-wide.
Established on March 12, 2012, our organization remains committed to building the ultimate professional online optical procurement ecosystem for retailers, chain stores, and independent optical laboratories in Sri Lanka and globally.
To provide one-stop shopping and service easier for optical optical retailers, clinics, and safety supply distributors nationwide and abroad.
To become a definitive, globally trusted one-stop procurement, manufacturing, and technical support service center.
Unity and hard work, perseverance, self-pressure, and an unwavering commitment to dare to compete in international quality benchmarks.
Cleaning spray (20ml - 120ml), Microfiber cloth, Hard Cases, Microfiber pouches, Anti-fog Tissue wipes, Paper shopping bags, custom brand kits.
All kinds of glasses accessories: Glasses chains, Optical Pliers, Screwdrivers, Silicone Nose pads, Lens Blocking pads, Antislip ear hooks.
Auto Refractors, Lensmeters, Edgers & Machinery featuring compatibility with Topcon, Essilor, NIDEK, TIANLE, XIANYUAN, JINGGONG standards.
Designer, OEM, and private label acetate, titanium, and TR90 frames (BOSS, JIMMY CHOO, BAI NIANHONG, CHNKELUOXIN, Playboy, PENGKE, Kiss my mudoo, Excellandun series).
Single vision, Progressive, Photochromic, Blue-cut lenses (ESSILOR, ZEISS, HOYA, Synchrony, CHEMI compatibility).
Sphere, Toric, and Color Contact Lenses (ALCON, BAUSCH+LOMB, HYDRON, HORIEN, COOPERVISION ranges).
With rapid global digital transformation and the expansion of high-speed 5G communications, traditional offline optical supply channels face inventory overhead and procurement delay challenges. To serve optical retailers in Sri Lanka and worldwide more rapidly and efficiently, we developed a digital one-stop online procurement and OEM service platform.
4 Core Digital Functions: Garage lens customization ordering, optical store marketing and professional skill training materials, exclusive B2B membership services, and private-domain retail traffic support.
8 Core Operational Advantages:
Supported by an independent online operations and quality control team, we strictly oversee raw material selection, safe manufacturing protocols, and batch consistency to provide Sri Lankan opticians with effortless purchasing, reduced overstock risks, and optimized profitability.
Exporting optical maintenance products into Sri Lanka requires adherence to local commercial regulations, customs documentation, and health standards enforced by Sri Lankan authorities (such as National Medicines Regulatory Authority - NMRA guidelines where applicable for medical device optical accessories, and Sri Lanka Standards Institution - SLSI parameters).
Formulations verified free of SVHC (Substances of Very High Concern) and toxic heavy metals.
Fully certified Material Safety Data Sheets supplied in English for expedited Sri Lankan customs clearance.
Complete support for trilingual warning labels, batch numbers, manufacture dates, and barcode printing.
Supporting LC (Letter of Credit), T/T, and FOB/CIF Colombo terms tailored to Sri Lanka trade dynamics.
Addressing key technical, commercial, and logistical inquiries regarding spray customization and import processes.
Explore our full lineup of OEM/ODM customizable formulations, mist pumps, and eco-friendly packaging options for Sri Lankan importers.
Contact our technical sales team today for customized formula samples, OEM bottle artwork templates, and direct shipping rates to Colombo.
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