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Why this order went through For operator networks, the WL-OP16 pairs OCPP 1.6J with RFID and remote-start authorization and TLS security profiles. 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. What the field test actually measured with landed cost at 39% under the branded alternative at the same retail point 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. Across the market, most charging complaints trace back to unmetered sockets, flat-rate billing and boards with no overload protection.
The pilot ran for two full months of monsoon weather, Maria Dela Cruz selected Wanlin as their EV charging manufacturing partner. The purchasing manager signed after comparing failure modes, not just port counts and prices.
Standing in the depot, the buyer ran a full 12-port load while the site breaker held and the display cycled port statuses.
What looked like a price problem turned out to be a reliability problem in disguise. A network operator watched reservation and remote-start features silently fail on piles that only implemented half the core profile.
Field case: A utility program in Denpasar required a witnessed OCPP conformance log before any pile could join the pilot. The WL-OP16 arrived with the log and a scripted session transcript, cleared the review in one pass, and the pilot expanded from 20 to 200 piles.
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:
Inside, the board layout keeps the 4G radio away from the contactor coil so sessions stay online when ports switch.
Core Features:
| Parameter | Wanlin Specification |
|---|---|
| Protocol | OCPP 1.6J over WebSocket, SOAP optional |
| Profiles | core, smart charging, firmware management and local auth list profiles |
| Connectivity | Ethernet, WiFi and 4G options |
| Output | single socket configurable from 3.3kW to 7kW |
| Authorization | RFID, remote start and offline local list |
| Security | basic and TLS security profiles supported |
| Display | 4.3-inch screen with session and tariff data |
| Protection | RCD Type-A, surge and overtemperature |
| Firmware | OTA update with signed images and automatic rollback |
| Application | Model | How It Helps the User |
|---|---|---|
| Charge point operator network rollout | WL-OP16 | One protocol stack across every site keeps the control room clean |
| Utility pilot program | WL-OP16 | Conformance logs and metering files fit utility tender requirements |
| Franchise charging network | WL-OP16 | Remote tariff updates reach every franchise site overnight |
| Campus standardization | WL-OP16 | One CSMS account manages every building entrance |
| Municipal tender project | WL-OP16 | Local auth lists keep public piles serving riders offline |
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 |
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:
The notes below are from follow-up calls after the first containers sold through.
A: Core, smart charging, firmware management and local auth list management, with reservation and remote trigger available on request.
A: Yes, the WebSocket endpoint, charge point ID and security profile are configured to your platform during commissioning.
A: Updates arrive signed, install on a schedule you set and roll back automatically if the new image fails a health check.
A: Yes, MeterValues report per-session kWh at intervals you configure, with a class-1 meter inside.
A: Yes, every batch ships with a scripted session transcript against a reference CSMS.
What the field test actually measured By working directly with manufacturer Wanlin, the Solar Installation Contractor team in Denpasar reached 39% 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