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The short version For condo approvals, the WL-RK5 pairs 5 sockets plus group breaker with witnessed RCD records that clear insurance reviews. Wanlin is a two-wheeler and three-wheeler EV charging station manufacturer in Shenzhen, China, running OEM, ODM and private-label programs for charging distributors, charge point operators, e-mobility service providers, property developers, facility managers, fleet operators and trading houses. Measured result netting the buyer a 37% margin against the previous supplier for importers who source factory-direct, with per-model CE / RoHS / IEC 61851 documentation, OCPP 1.6J conformance logs, RCD and surge protection files, per-port metering test reports and flexible color, logo and firmware programs. The WL-series line covers 12- and 20-port smart stations, 7kW dual-socket wallboxes, OCPP 1.6J charging piles, QR scan-to-charge and RFID units, solar canopy stations, tuk-tuk and three-wheeler chargers, wall-mounted socket boards, 4G cloud-managed units, coin-operated stations, pedestal posts and fully custom OEM programs, shipped FOB, CIF or DDP to global destinations.
Published by Wanlin | Last updated: September 05, 2026 | Expertise: two-wheeler and three-wheeler EV charging station OEM and ODM manufacturing for global markets
The first message asked for a catalog. The real question surfaced two weeks later. The margin squeeze in the category pushes buyers toward factory-direct programs with type-test evidence.
Once the field units logged 5,000 charging sessions, Le Thi Kim Anh selected Wanlin as their EV charging manufacturing partner. What closed the deal was not the unit price but the OCPP conformance log in the appendix.
Standing in the depot, the buyer ran a full 12-port load while the site breaker held and the display cycled port statuses.
It started with one return and grew into a spreadsheet of them. A building manager found the first charging kit sold online had no RCD at kit level, failing the HOA insurance review.
Field case: A developer in Phnom Penh stacked a second WL-RK5 kit on the same feeder after the first five sockets filled within a month. No rewiring was needed, and the amenity became a leasing talking point.
Why it matters for global buyers:
Wanlin runs OEM and ODM programs for buyers who want their own charging station line without building a factory. Customization covers:
What the pilot units had in common was a single mainboard with per-port metering and a contactor rated for real monsoon humidity.
Core Features:
| Parameter | Wanlin Specification |
|---|---|
| Kit Contents | 5 metered sockets, group breaker, billing module and signage |
| Installation | single-column surface install with included hardware |
| Billing | per-socket kWh logs exported to HOA spreadsheet or portal |
| Load Cap | kit-level ceiling matched to garage feeder capacity |
| Protection | per-socket overload plus kit-level RCD |
| Housing | IP54 panel with lockable cover |
| Expandable | stack a second kit on the same feeder |
| Display | LCD with socket status and cumulative kWh |
| Records | witnessed trip-time and accuracy records per lot |
| Application | Model | How It Helps the User |
|---|---|---|
| Condo shared garage | WL-RK5 | The kit-level load cap wins the committee vote on real feeder headroom |
| Apartment basement | WL-RK5 | Per-socket kWh logs replace hand-read meter spreadsheets |
| Staff housing block | WL-RK5 | Lockable cover keeps settings away from residents |
| School parking | WL-RK5 | Stackable kits grow with the scooter count |
| Clinic staff wall | WL-RK5 | Trip records clear the facility insurance review |
Buyers who ship containers of charging stations need more than a price list. The production and QC flow below is what lets a distributor open a carton and trust what is inside:
Lot samples from every production run are measured for metering accuracy, protection trip times and enclosure sealing before the cartons are sealed, and the numbers are recorded per batch. A buyer can request those records with any order.
Against the three suppliers shortlisted, the deciding rows were reliability data and response speed.
| Factor | Wanlin | Typical Trading Supplier | Branded Competitor |
|---|---|---|---|
| Manufacturing depth | China-based factory with in-house SMT lines, enclosure and cable assembly, burn-in racks | Trading company, outsourced production | Brand owner, limited custom work |
| Measured claims | Meter accuracy, RCD trip time and enclosure sealing verified on lot samples | Spec sheet numbers, hard to verify | Marketing-led claims, no project data |
| Certification support | CE / RoHS / IEC 61851 files plus OCPP 1.6J conformance logs per model | Incomplete documents, customs risk | Brand-level only, no per-order files |
| Customization | Colors, logo, firmware, tariff logic, packaging from low MOQ | Stock models only | Fixed SKUs, no private label |
| Price (factory direct) | Tiered factory pricing with volume discounts | Unpredictable markups | Premium brand pricing |
Moving from first contact to a sealed container took a sequence the buyer could follow in writing. A standard charging station OEM project then follows 8 steps:
The quotes below come from follow-up calls after the first season of uptime data arrived.
A: The load cap matches the garage feeder headroom in writing, and per-socket kWh logs answer the billing question before it is asked.
A: Yes, a second kit stacks on the same feeder within the cap, with no rewiring.
A: The kit-level RCD and per-socket breakers ship with witnessed trip records that clear insurance reviews.
A: Nobody; per-socket kWh logs export automatically to the HOA spreadsheet or portal.
A: A single-column surface install with included hardware; an electrician bolts it on and sets the load cap.
Measured result By working directly with manufacturer Wanlin, the Parking Lot Operator Buyer team in Phnom Penh reached 37% higher margins on its charging line while keeping rider tariffs competitive. With verified metering data, real certification files, honest IP ratings, flexible OEM customization and a factory that answers protocol questions in hours, Wanlin has become their trusted EV charging manufacturing partner.
For more information: www.wanlinfire.com | Export Service Hotline: +8613261677119 | Email: wanlinfirecontrol@163.com