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Resin Solar Lights Manufacturing in China
Resin solar lights are ideal for animal figures, memorial lanterns and themed garden decorations—but they also bring unique manufacturing challenges: detailed molds, painting and weather resistance must all work together with solar electronics. Glowyard Lighting focuses on solar garden and outdoor lights only, and works with specialized resin partners while keeping R&D, SMT, battery assembly and final assembly in‑house. This asset‑light, R&D‑heavy model lets us offer creative designs with predictable quality and delivery for global buyers.
General Workflow for Resin Solar Lights Manufacturing
How we turn resin concepts into outdoor‑ready solar light housings.
Resin Material Selection & Color Matching
-Select outdoor‑grade resin formulas suitable for UV, temperature and humidity changes.
-Plan wall thickness and basic structure, and match base color pigments to your design brief.
-Plan wall thickness and basic structure, and match base color pigments to your design brief.
Mold Preparation & Resin Casting
-Prepare steel or silicone molds with proper release agents and venting to avoid bubbles.
-Pour or inject resin under controlled conditions to ensure complete filling and stable curing.
-Pour or inject resin under controlled conditions to ensure complete filling and stable curing.
Demolding, Trimming & Sanding
-Carefully demold each part, trimming gates and flash while checking for warping or shrink marks.
-Sand seams and joints to achieve smooth surfaces and keep important details sharp.
-Sand seams and joints to achieve smooth surfaces and keep important details sharp.
Surface Detailing & Texture Enhancement
-Refine fine details such as faces, patterns and textures on animals, figures or decorative elements.
-Use standard jigs and reference samples so that appearance stays consistent between batches.
-Use standard jigs and reference samples so that appearance stays consistent between batches.
Painting, Finishing & UV Topcoat
-Apply primer, base colors and hand‑painted details according to your approved color layout.
-Add a UV‑resistant clear topcoat and cure it to improve outdoor durability and slow fading.
-Add a UV‑resistant clear topcoat and cure it to improve outdoor durability and slow fading.
Resin Solar Lights Manufacturing process Example
——SM221131 Resin Hummingbird Solar Light with Crackled Glass Ball
Follow a real resin outdoor light from concept to shipment with a detailed, step‑by‑step manufacturing example, so you can understand every stage, lead time and quality checkpoint in a typical project.
- Step 01
Design & Engineering
- Product concep: Define size, style, target price, IP rating, battery type, brightness, working hours.
- 3D design & structure: Create 3D CAD of the hummingbird, leaves, base, glass ball seat, and solar panel window. Design inner space and fixing points for PCB, battery, LED, and wiring.
- Prototype & validation: Make prototype by 3D printing or hand‑sculpted clay. Check appearance, stability, light effect, and assembly feasibility. Adjust structure for mold‑release, wall thickness, and waterproofing.
- Step 02
Molding for Resin Parts
- Master model preparation: Refine the approved prototype; polish surface to required texture.
- Mold making: Create multi‑part steel or copper molds for polyresin casting (or silicone molds for small runs). Add gates, vents, and positioning pins; test trial shots to confirm filling and shrinkage.
- Step 03
Resin Raw Material & Casting
- Material preparation
- Mix polyresin (unsaturated polyester resin + stone powder) with color paste and additives.
- Add catalyst and hardener according to process parameters.
- Casting / pouring
- Pour resin slurry into molds manually or by metering machine.
- Vibrate to remove bubbles; close molds and cure for specified time.
- Demolding & rough trimming
- Open molds, take out semi‑finished figurines and bases.
- Cut off gates, flash, and overflow; repair small defects with resin putty.
- Step 04
Surface Treatment & Painting
- Curing & drying
- Oven or room‑temperature curing until resin is fully hardened.
- Grinding & polishing
- Sand joint lines and surfaces to required smoothness or texture.
- Base coating
- Apply primer (spray or brush) for adhesion and color consistency.
- Hand painting
- Airbrush base colors on leaves, log, bird body.
- Hand‑paint details: feathers, beak, eyes, veins on leaves, mushroom, etc.
- Protective top coat
- Spray clear varnish or PU coating for UV resistance and outdoor durability.
- Final drying / curing.
- Step 05
Mechanical Assembly
- LED & ball integration
- Fix LED holder in the center position under the glass ball (often on a small plastic seat).
- Route wires through internal channels of the resin body.
- Module installation
- Mount PCB and battery pack into inner cavity; secure with screws or clips.
- Fix solar panel at bottom or backside opening, seal edges with silicone for waterproofing.
- Combine resin body and glass ball
- Place crackle glass ball onto seat using silicone or UV glue if needed.
- Assemble bird and leaves section to the base (glue, screws, or integrated casting).
- Step 06
Quality Inspection
- Incoming material inspection
- Check resin powder, paint, batteries, solar panels, LEDs, and glass balls.
- In‑process QC
- Inspect casting defects, painting quality, assembly accuracy, polarity and wiring.
- Final QC
- 100% appearance check (dust, paint defects, glue overflow).
- Drop test on sample units with packaging; verify function again.
- Step 07
Packing & Shipment
- Individual packing
- Wrap glass ball and delicate parts with bubble bag or blister.
- Put product into color box with molded foam or pulp tray.
- Insert user manual and safety/warning labels.
- Outer carton packing
- Pack color boxes into master cartons; add desiccant if needed.
- Seal, label with item number, barcode, quantity, and shipping marks.
- Palletizing & shipment
- Stack cartons on pallets, strap and wrap.
- Load into container and arrange export documents (invoice, packing list, test reports, certificates).
Related Resin Outdoor Lights
Explore representative resin‑based outdoor and solar lighting designs—such as memorial statues, animal tabletop lights and themed garden ornaments—that are manufactured using our dedicated resin molding, painting and finishing capabilities.
Industry Pain Points
in Resin Solar Light Manufacturing
What B2B buyers often encounter when sourcing resin solar lights from China.
Cracking and deformation under sun and temperature changes
Low‑grade resin formulas, poor mold design or uneven wall thickness can lead to micro‑cracks, warping or deformation after one or two seasons of outdoor exposure.
Rough details and inconsistent appearance between batches
Incomplete mold filling, air bubbles, poor deburring and uncontrolled hand‑painting can result in visible defects—especially obvious on animal figures, faces and fine patterns.
Color fading and yellowing of painted or clear parts
Inadequate UV‑resistant pigments, thin paint layers or insufficient top‑coat protection cause bright colors to fade and light areas to turn yellow, making products look old quickly.
Weak sealing between resin body and electronic module
Gaps, misalignment or brittle glue joints around the solar module and battery compartment allow moisture in, leading to condensation, rusted contacts and early failures.
To understand how these issues appear across the whole production chain, you can review our outdoor lighting manufacturing overview.
How Glowyard Solves These Problems for Resin Solar Lights
How our resin manufacturing system combines detailed appearance with outdoor reliability.
Resin formulas and wall‑thickness designed for outdoor use
We work with proven outdoor‑grade resin materials and design proper wall‑thickness and internal support to reduce cracking and deformation under sun, rain and temperature cycles.
Layered painting system with UV‑resistant protection
Base coat, color layers and top‑coat are arranged as a system—using UV‑resistant pigments and protective clear coats—to slow fading and yellowing for multi‑season outdoor use.
Controlled molding, deburring and hand‑finishing
Standardized procedures cover mold preparation, pouring/casting, bubble removal, trimming and polishing. For detailed figures, we use checklists and master samples to keep expressions and patterns consistent from batch to batch.
Integrated design of resin body with solar module and sealing
Our R&D team co‑designs the recess for solar panels, battery compartments and cable routing when developing resin shapes. Gaskets, seals and drainage paths are planned in the drawing stage to support target IP performance instead of being patched after problems occur.
For a complete view of how resin housings work together with our electronics and assembly, you can visit our Our Factory introduction and general manufacturing capabilities overview.
Quality Assurance for
Resin Solar Light Projects
How we test and document resin products so they survive real outdoor conditions.
4‑stage QC with resin‑specific checkpoints
Our IQC, IPQC, FQC and OQC system includes checks on resin raw materials, mold quality, surface finish, painting coverage and assembly fit—not just a quick function test.
Environmental and durability testing for resin parts
Typical resin SKUs undergo high/low‑temperature and humidity aging tests, UV exposure, vibration and drop tests, plus appearance inspections after testing to confirm that cracking and color change stay within agreed limits.
IP and electrical safety checks on finished products
Complete resin solar lights are tested for IP rating, insulation and battery safety, with special attention to sealing around the solar module and any screw‑through joints.
Traceability, warranty and corrective actions
Production lots are traceable; if any abnormal defect pattern appears, we perform root‑cause analysis and corrective actions at mold, material or process level. Warranty coverage and handling procedures are defined in advance for B2B buyers.
Certified for Global Markets
Our factory holds BSCI, ISO 9001, and Sedex audits, and our products comply with CE, RoHS, FCC, UL, UKCA and more.
Purchasing Tips for Importers & Brand Owners of Resin Solar Lights
Practical guidelines to write better RFQs and compare resin suppliers fairly.
Define application and lifetime expectations clearly
State whether lights are for memorials, themed gardens or seasonal decorations, and how many outdoor seasons you expect them to last. This guides choices on resin grade, wall‑thickness and coating system.
Lock design details with a master sample and drawings
For animal figures, characters or detailed patterns, confirm a “golden sample” plus simple drawings or photos that specify key expressions, colors and finishes. This reduces disputes about subjective appearance.
Clarify packing method and drop‑test requirements
Resin is harder than plastic but more brittle at thin sections. Define inner packing, cushioning, and carton drop‑tests so products survive transport without chipped parts or cracks.
Match customization depth with MOQ, tooling and timeline
New resin molds, complex hand‑painting or large figurines require higher MOQ and longer cycles. Use existing molds with color changes for small tests, and reserve full new designs for core SKUs with clear volume plans.
For more practical details on MOQ, lead times and ordering flow, refer to our purchasing guide for solar garden lights.
Knowledge For Resin Outdoor Lighting Manufacturing
Practical guides, FAQs and insights on resin selection, outdoor aging, color fading control and production best practices to help buyers design and source better resin‑based solar garden lights.
Frequently askedquestions
We have compiled the most frequently asked questions about our Outdoor Lighting Solutions here for your convenience, but please feel free to contact us if you have any additional questions.
What Types Of Resin Do You Use For Outdoor Solar Lights?
We primarily work with outdoor‑grade polyresin and related resin systems that are designed to withstand UV exposure, temperature changes and humidity. For each project, we match the resin type to the installation environment, product size, wall thickness and surface finish you require.
- Outdoor-grade polyresin: Our main material for figurines, statues and decorative housings, formulated for long-term outdoor use with reduced cracking and deformation.
- Cold- and heat-resistant blends: Optional resin blends for projects in regions with strong temperature swings, helping to minimize warping or brittleness.
- Translucent or light-diffusing resin: Used where the body needs to glow or softly diffuse LED light, often combined with internal textures or patterns.
- Material matching: We also consider how resin parts work together with metal stakes, glass inserts or plastic components to keep assembly stable and waterproof.
You can see how resin fits into our overall process on the Outdoor Lighting Manufacturing Overview page and explore typical applications through the Applications Center.
How Do You Prevent Cracking, Warping And Color Fading On Resin Lights?
We address cracking, warping and color fading at both the design and process levels, from resin selection and wall-thickness planning to painting, UV protection and environmental testing.
- Resin grade & structural design: We choose outdoor-grade resin and design proper wall thickness, ribs and internal support to reduce stress points that cause cracks or warping.
- Controlled molding and curing: Standardized molding, cooling and curing conditions help avoid internal stresses, shrink marks and distortion.
- Layered painting system with UV protection: Base coat, color layers and clear topcoat use UV-resistant pigments and finishes to slow fading and yellowing under sunlight.
- Environmental and aging tests: Representative SKUs undergo high/low temperature, humidity and aging tests to verify that appearance and structure stay stable over time.
Our test methods and standards are explained in detail on the Quality Control page, with supporting certifications listed in the Certificates Center.
Can You Customize Resin Figures Or Lanterns Based On My Drawing Or Sample?
Yes. We regularly develop custom resin figures, memorial statues and lantern bodies based on clients’ drawings, 3D files or physical samples, and integrate them with suitable solar electronics.
- Concept review & feasibility: Our R&D team evaluates your idea, target size, installation scenario and budget, then suggests suitable resin structure and finishing options.
- 3D design & mold development: We create or optimize 3D models, plan parting lines and wall thickness, and develop molds that balance detail level, strength and cost.
- Color layout & sample approval: Detailed color and finishing layouts are prepared, with “golden samples” for you to approve before mass production.
- Integrated solar solution: We match panels, batteries, LEDs and sealing structure so the final resin product is both visually on‑brand and reliable outdoors.
You can learn more about our customization scope on the OEM Solutions page and start a project through the Custom Project Consultation form.
Can You Customize Resin Figures Or Lanterns Based On My Drawing Or Sample?
Yes. We regularly develop custom resin figures, memorial statues and lantern bodies based on clients’ drawings, 3D files or physical samples, and integrate them with suitable solar electronics.
- Concept review & feasibility: Our R&D team evaluates your idea, target size, installation scenario and budget, then suggests suitable resin structure and finishing options.
- 3D design & mold development: We create or optimize 3D models, plan parting lines and wall thickness, and develop molds that balance detail level, strength and cost.
- Color layout & sample approval: Detailed color and finishing layouts are prepared, with “golden samples” for you to approve before mass production.
- Integrated solar solution: We match panels, batteries, LEDs and sealing structure so the final resin product is both visually on‑brand and reliable outdoors.
You can learn more about our customization scope on the OEM Solutions page and start a project through the Custom Project Consultation form.
Can You Adjust Resin Structure, Wall Thickness And Packaging To Meet My Target Price?
Yes. Within safe limits, we can optimize resin structure, wall thickness, painting complexity and packaging to help you reach a realistic target price while keeping outdoor performance acceptable.
- Tiered structure options: We can suggest alternative wall thickness, internal ribs or hollow sections to save material without compromising strength in critical areas.
- Finishing-level choices: From simple single-color finishes to detailed hand-painting, we offer different finishing tiers that affect both cost and perceived value.
- Packaging optimization: By adjusting inner packing materials, set configurations and outer carton design, we balance protection, freight efficiency and total landed cost.
- MOQ vs. cost scenarios: We provide quotations at different MOQs to show how unit cost improves with larger volumes or shared tooling.
For a broader view of how MOQ, tooling and lead times affect pricing, please see our Purchasing Guide for Solar Garden Lights.
Can You Combine Resin With Metal, Glass Or Plastic In One Solar Light Design?
Yes. Many of our projects combine resin with metal stakes, glass inserts or plastic components to achieve the right look, weight and cost for different outdoor applications.
- Resin + metal: Common for statues on metal stakes or frames, where resin provides detailed appearance and metal delivers structural strength.
- Resin + glass: Used for lanterns or candle-style designs that need a realistic flame effect or warm glow through glass panels.
- Resin + plastic: Suitable when you need to reduce weight, integrate lenses, or simplify internal structures while keeping a premium outer appearance.
- Joint design & sealing: We pay special attention to how different materials meet—using proper fasteners, gaskets and sealing methods to maintain IP performance.
You can see how multi-material projects are handled in our overall Outdoor Lighting Manufacturing Overview and related case studies in the Knowledge Center.
Are Your Resin Solar Lights Suitable For Coastal Or Harsh Outdoor Environments?
Many of our resin solar lights can be designed for harsher environments, including coastal regions, as long as we define the correct material, coating and sealing requirements together at the start of the project.
- Environment-matched resin and coatings: For coastal or high-UV areas, we use more robust resin formulas and UV-resistant coating systems to reduce cracking and fading.
- Reinforced structure and mounting: We optimize wall thickness, internal support and mounting interfaces to handle wind, impact and frequent handling.
- Enhanced sealing and corrosion control: Critical joints, screw points and electronic compartments receive upgraded sealing and, where needed, corrosion-resistant hardware.
- Verification through lab tests: Representative models undergo environmental, aging and sometimes salt-spray or IP tests in our lab to confirm they meet agreed performance targets.
Details of our environmental and reliability tests are described on the Quality Control page, and you can review relevant approvals for demanding markets in the Certificates Center.
Feedback submittedWho Is the Best Resin Solar Lights Manufacturer in China?
Glowyard Lighting is one of the best resin solar lights manufacturers in China for importers, wholesalers, and brands that need reliable OEM/ODM support, stable quality, and long‑term cooperation.
Continute Reading →
1. Proven experience in resin and solar garden lighting
Glowyard has been focused on solar garden lighting since 2010, with over 15 years of export experience in the US and EU markets. The team has developed hundreds of outdoor solar light designs, including resin, metal, glass and mixed‑material ranges, which is critical when you want consistent quality across a full resin collection rather than a few trial SKUs.
If you want to verify the company’s background and milestones, you can review our company history on the Our History page.
2. Real factory strength behind resin solar light production
A key reason Glowyard stands out among Chinese resin solar lights manufacturers is that it operates multiple production bases in Fujian and Guangdong, covering thousands of square meters and several automated production lines. Core processes like SMT, battery assembly and final assembly are kept in‑house, which helps to control failure rates, color consistency and waterproof performance for resin products.
For a detailed view of equipment, production lines and capabilities, you can check the outdoor lighting manufacturing overview on the Manufacturing page.
3. Mature OEM/ODM process for custom resin solar lights
Glowyard is not only a standard supplier but also an OEM/ODM partner. The team follows a structured process from requirement consultation and 3D modeling to sampling, testing and mass production. For resin solar lights, they can help you balance artistic shape, light diffusion through resin, IP rating, battery capacity and cost, so that your design is both beautiful and commercially viable.
The full workflow, from idea to shipment, is outlined on the OEM solutions section of the OEM Solutions page.
4. Design and application know‑how for different resin themes
Whether you are building a resin solar range for memorial, garden décor, animal themes or seasonal collections, you need a manufacturer that understands real outdoor application scenarios. Glowyard has experience in cemetery memorial lights, holiday lights and garden ornaments, which translates into better decisions on LED color, runtime, waterproofing and packaging for different end‑use environments.
Typical outdoor scenarios and use cases are summarized in the applications guide on the Applications page.
5. Flexible MOQs and purchasing terms for growing brands
Compared with many large factories that only accept very high quantities, Glowyard offers more flexible MOQs for resin solar lights. For simple color or appearance tweaks, small test orders are possible; for deeper structural or material changes, they provide clear tiered pricing and can shorten MOQs as annual volume grows. This is especially helpful for brands that want to test multiple resin designs before full rollout.
Details about MOQs, lead times and how to place orders are explained in the purchasing guide on the Purchasing Tips page.
6. Quality control, certifications and lab testing
For outdoor resin solar products, quality is not just about appearance. Glowyard runs a full quality system from incoming inspection to final outgoing checks, aiming to keep defect rates below 0.5%. Lab tests such as waterproof, salt‑spray, high/low temperature and photoelectric performance are applied to ensure resin bodies, electronics and sealing work reliably together over time.
The overall quality management approach is described on the quality assurance section of the Our Quality page, and key international approvals are listed on the certificates hub at the Certificates page.
7. Evidence from industry research and niche segments
A strong resin solar lights partner should also understand market trends, niche applications and customer expectations. Glowyard regularly publishes in‑depth content on memorial and garden lighting, including market analysis, design trends and technical knowledge. This kind of research‑driven approach helps guide your assortment planning and long‑term product roadmap.
For example, you can see how they analyze the memorial segment in the 2025 Memorial Solar Lights Industry White Paper available on the industry white paper page.
8. Clear warranty and after‑sales support
When choosing a Chinese manufacturer, after‑sales policy is an important trust factor. Glowyard typically offers 2–3 years warranty for manufacturing defects on solar panel, LED, battery and PCB, and provides reasonable spare parts support. For batch issues above a defined threshold, they commit to replacement or credit solutions, backed by root‑cause analysis.
You can review the exact warranty scope and defect‑handling rules in the after‑sales service policy on the After Sales Service page.
9. Professional team and communication for long‑term projects
Resin solar light development often involves multiple rounds of design discussion, sampling feedback and packaging adjustments. Glowyard has dedicated sales, R&D and project support teams who are used to working with overseas importers, brands and eCommerce sellers, ensuring smoother communication and faster response during the whole project lifecycle.
The structure of the sales and R&D teams is introduced on the Our Team section of the Our Team page.
Summary – Why Glowyard is a top choice for resin solar lights in China
Putting everything together, Glowyard Lighting is a strong candidate if you are looking for the best resin solar lights manufacturer in China:
- Long‑term focus on solar garden lighting and resin‑friendly design
- Real factory capabilities with controlled core processes
- Mature OEM/ODM workflow and flexible MOQs for both test and mass orders
- Robust quality system, certifications and lab testing
- Research‑driven understanding of memorial and decorative niches
- Transparent warranty and responsive project communication
You can browse current designs and categories in the products catalog on the Products page, and share your project details or drawings via the inquiry form on the Contact page. This will allow Glowyard’s team to prepare a tailored proposal for your resin solar lights line, including design options, target pricing and lead times.
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