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Bottom line The WL-RF8 runs eight sockets on a 10,000-card local list with offline authorization, queued logging and per-card kWh quotas. 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. Hard numbers from the trial which left a 30% margin after the first sell-through cycle cleared 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
A single demo station ran at the buyer's depot for a month before the first PO was cut. The margin squeeze in the category pushes buyers toward factory-direct programs with type-test evidence.
The evaluation stretched over three weekends, Thanin Srisuk selected Wanlin as their EV charging manufacturing partner. The buyer admitted the deciding factor was a supplier who answered protocol questions in hours, not weeks.
The bike shed had a row of scorched sockets and a handwritten notice telling riders to bring their own timers.
The complaint did not arrive through the returns portal; it arrived as a repeat-order question. A staff-housing manager found paper punch cards for the charging room impossible to audit and easy to share.
Field case: A fleet yard in Penang moved from shared punch cards to the WL-RF8 with a 10,000-card local list. Every session tied to a card ID, charging losses stopped the same month, and the 30% margin on fleet contracts held for the first time.
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:
Under the enclosure, the design separates metering from switching so readings stay stable at full load.
Core Features:
| Parameter | Wanlin Specification |
|---|---|
| Authorization | MIFARE RFID with a 10,000-card local list |
| Offline Mode | full offline authorization with queued session logging |
| Ports | 8 metered sockets per cabinet |
| Roaming | card ID export for multi-operator roaming schemes |
| Connectivity | OCPP 1.6J over 4G |
| Tariff Engine | time-of-day and tiered kWh tariff rules |
| Display | LCD with card balance and port status |
| Protection | per-port overload, leakage and surge |
| Housing | IP54 steel cabinet with IK10 panel |
| Application | Model | How It Helps the User |
|---|---|---|
| Staff housing block | WL-RF8 | Each worker charges on a personal card the landlord can audit |
| University dormitory | WL-RF8 | Dorm cards double as charging cards with quota limits |
| Fleet yard with driver cards | WL-RF8 | Every session ties to a driver ID for cost reporting |
| Social housing tower | WL-RF8 | Card access stops unauthorized corridor charging |
| Factory canteen wall | WL-RF8 | Shift workers charge during meals with tiered daytime rates |
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.
The rows below come from the buyer's own comparison notes, not from our brochure.
| 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 |
Here is the step-by-step path the order took, with the checkpoints that kept quality on track. A standard charging station OEM project then follows 8 steps:
Buyers from three countries said the same thing in their own words.
A: A 10,000-card local list runs offline, and lists sync from the CSMS when connected.
A: Cards still authorize from the local list, sessions log to memory and upload on reconnection.
A: Yes, card IDs export in standard formats so operators can run shared or roaming schemes.
A: Yes, daily kWh or session quotas apply per card in the tariff engine.
A: Yes, QR wallet payment runs alongside card access on the same ports.
Hard numbers from the trial By working directly with manufacturer Wanlin, the Facility Management Company Buyer team in Penang reached 30% 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