Solar OEM sourcing · Shenzhen, China
Sunfold Solar is the sales window into qualified solar OEM factories in Shenzhen — the lines that build flexible, portable, rigid and custom modules for brand owners. Send the requirement and we match it to the right factory, then quote at the production-line price.
Product range
Ordered by what we actually ship. Volume sits in rigid glass modules, custom flexible modules up to 400W, foldable formats, bifacial folding kits and portable solar bags. BC and CIGS sit above them on performance and price; perovskite is the newest route, now in volume production and available as a standard product line. Buy the module alone, or take the whole kit as one shipment.
Highest volume, best cost per watt, shortest lead time.
Tempered-glass modules in the frame sizes most projects are drawn around — the default specification for rooftops, ground mount and container-volume orders.
ETFE-laminated flexible modules built to non-standard dimensions and wattages up to 400W — the route for OEM programmes and projects that cannot use a catalogue size.
High-end crystalline solar panels engineered into the product itself — this pool-cleaning robot runs on the panel built into its lid. Integrated power enables wireless, low-voltage-safe designs for premium smart devices.
Bifacial crystalline laminates with no backsheet — lighter than both conventional glass and PCB-based panels, and with both faces generating, the same footprint collects up to twice the power. Folds flat on stainless hinges into a slim case with a soft rubber carry handle; the lightweight aluminium stand sets up in seconds and locks the angle with magnetic clasps. Built for outdoor work and camping.
Two- to four-section folding formats that close into a flat pack — the version most brands put their own label on for camping, overlanding and emergency kits.
Real application products we build for customer markets — a curved visor panel, a camouflage folding strip, a charger pad and solar-fabric bags. Tell us your market and we tailor the panel to it: the shape, the power and the form factor, die-cut, folded or sewn to fit your product.
Higher conversion efficiency, lighter weight, zero micro-cracks and better low-light performance — premium lines for premium builds.
A minimalist all-black face with no busbars on the front — better temperature coefficient and no hot-spot risk, so it runs more efficiently and more safely, with strong low-light performance. Ideal for integrated smart-product designs.
A truly rollable module — CIGS (copper indium gallium selenide) cells on an ultra-thin laminate curl through 360° with zero micro-cracks. Thin, light and damage-tolerant: even a standard panel that is deliberately damaged keeps producing for a time. Built for RVs, vehicle roofs, wind-turbine blades, marine and high-altitude platforms in harsh weather.
New-generation thin-film with an outstanding power-to-weight ratio, cut to custom shapes — shields, strips, curves and die-cut forms. Engineered for indoor and low-light electronics, it keeps charging through dim rooms, overcast skies and low illumination — for industrial, agricultural, weather and environmental sensors, asset trackers, electronic shelf labels, smart meters and public-facility terminals. Passive, battery-free, self-sustaining power for the connected IoT.
The module comes from our factories. Everything around it is assembled to your specification.
The panel always comes from the producing factory. Charge controllers, inverters, batteries, mounting, cabling, connectors and retail packaging can be specified by you — bought from suppliers you already work with, or sourced by us on your behalf — then consolidated and shipped together under one set of export documents.
Useful when a project needs a working system rather than a pallet of panels: off-grid kits, RV and marine packages, telecom and monitoring stations, portable power bundles.
Non-standard dimensions, non-standard wattages, specific connectors and cell layouts. Any of the nine panel families above can be re-engineered against your spec, and kitted with the rest of the system.
Behind the panels
The panels are not made in one building. Flexible, crystalline and thin-film each come from a different specialist factory, and the factory is chosen on your requirement — not on what happens to be in stock.
ETFE lamination, edge sealing, junction-box potting and eyelet placement. The same line builds folding bags for portable-power brands, which is why the connectors match what your customers already own.
Stringing, layup, lamination, framing and EL inspection. Set up for non-standard sizes and 400W-class modules rather than a long run of one catalogue SKU.
Scribing, encapsulation and high-mix runs on a bendable substrate — including custom shapes for weight-critical builds and low-light devices.
We don't publish factory names on an open website — the brands they produce for expect that. Send the product and the destination market, and we send back the profile of the exact line that would run your order: what it builds, what certifications it holds, and when it was last audited.
Come and see the panels being made: the lamination, the EL test screen, a folding bag being opened and closed until you are satisfied. Tell us your travel dates and we arrange the plant tour, a technical meeting with the line's engineers, and a hands-on look at the panels you are considering, in the same visit. Buyers who come once tend to stop asking whether we are real.
Cell technology
Most suppliers sell what their single factory makes. We evaluate crystalline, BC, CIGS and perovskite side by side, then quote the route that fits your cost target and use case.
The dependable workhorse. Best cost per watt, proven longevity, and full freedom on non-standard sizes up to 400W.
Busbars moved behind the cell, leaving the front face uninterrupted. Higher efficiency and a clean, all-black look on visible surfaces.
Thin-film on a bendable substrate. A fraction of the weight of glass, follows curved surfaces without cracking, performs well in weak light — and, having no cells or solder joints, it is the one route that cannot develop micro-cracks.
Next-generation thin-film with an exceptional power-to-weight ratio. In volume production, cut to custom shapes and built to work in weak light — specified where weight and form matter more than cost per watt.
Not sure which route fits your cost target? Send us the numbers and we will tell you which line fits →
Applications
Flexible modules for curved roofs.
Salt-proof, walkable, custom voltage.
Folding panels, your connectors.
Power for CCTV, sensors and trackers.
Lightweight plug-in kits.
Panels built into the building.
Your case is not on this list? Email us your requirements — we will match the panel and quote it →
Why Sunfold
The factories' sales window — you buy at factory price, not resale price.
One requirement, several factories — we match the best fit for you.
Built to your drawing: size, wattage, connectors — fast samples, fast delivery.
SunFold, your own brand, or a supply agreement signed directly with the factory.
Ready to start? Email us your requirements — a quote comes back from the factory line → · Factory visits welcome anytime.
Standard-range modules carry CE. For other destinations, we provide the certificates your market requires — tell us the destination country and we confirm what the factory can supply before you order.
Request certificate pack →
About
Shenzhen Zhituo Software Co., Ltd., registered in 2019, is the direct sales window of solar manufacturing factories — not a middleman trading company. The solar modules we supply are produced by professional solar OEM factories that already build for many large companies, major brands and trading companies. Our job is to match your requirements to the right factory, so you buy at factory-direct prices instead of resale prices.
When it comes to the brand, you have complete freedom: use our newly launched SunFold brand, use your own company's brand (OEM / ODM), or sign a supply agreement directly with the factory.
We specialize in non-standard custom modules. Based on your product design and market needs, we quickly match you with the most suitable manufacturing factory and provide the fastest design proposal and drawings, sample production, the most competitive factory pricing, and the fastest production and delivery.
What serves you is not a single factory, but an ecosystem of multiple solar module factories working in coordination.
We sincerely look forward to your inquiry and cooperation.
Inside the workshops
You sign the sales contract with the factory and pay the factory. We stay on the project as coordinator — specification, sampling, QC and shipment — and the factory carries the invoice and the warranty.
You sign and pay one supplier for the whole order, and we handle export documentation, inspection and logistics against a single PO. Same producing factory, fewer moving parts on your side.
Both routes are quoted from the same production line. Choose by payment terms, documentation and however your company prefers to approve a purchase.
Get in touch
Tell us the application, the wattage you need and the certification the project requires. We reply with the matched product, the factory behind it, and a price. If you are travelling to China, say so and we will plan a factory visit around your dates.
