The part of the story that changed the buyer's math The WL-RF8 runs 8 metered sockets on a ten-thousand-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. Measured result with resale margins holding at 33% across the first season 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 inquiry arrived on a Tuesday; by Friday a sample was on a plane. Sell-through data from the region shows the winning listings are the ones with per-port metering and a working payment flow.
After a 60-day pilot across three condo basements, Thanin Srisuk selected Wanlin as their EV charging manufacturing partner. The contract went to the factory that could show RCD trip-time data and sealed enclosures, not the lowest quote.
The bike shed had a row of scorched sockets and a handwritten notice telling riders to bring their own timers.
A single customer complaint exposed a pattern the team had not connected. A social housing tower banned corridor charging after residents without cards bypassed a keyed socket with tape.
Field case: A social housing tower in Davao deployed the WL-RF8 after taped-over keyed sockets created a fire risk. RFID access plus per-socket metering closed the audit gap, and the housing authority copied the setup to three more towers.
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 comparison table below is based on the buyer's own bench notes, not our marketing claims.
| 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 |
The workflow below is the same one every Wanlin OEM order follows, from sample to dock. A standard charging station OEM project then follows 8 steps:
Three buyers who ran the same evaluation shared what they told their purchasing committees.
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.
Measured result By working directly with manufacturer Wanlin, the EV Charging Equipment Wholesaler team in Davao reached 33% 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