Executive Summary: Mobile Payment EV Charging Station for Global Buyers

Bottom line For street and market sites, the WL-QR10 pairs 10 metered sockets with UV-laminated per-port QR decals and per-kWh metering. 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 which translated into a 30% gross margin on the first container 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

Case Study: Ho Chi Minh City EV Charging Station Distributor Sourcing Success

A sourcing visit that began with a spreadsheet ended with a field trial. Importers are consolidating charging SKUs with fewer factories that can document OCPP conformance and IP ratings.

The pilot ran for two full months of monsoon weather, Noppadol Wichaidit 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.

• Every finished station is hipot-tested, RCD trip-time verified and powered through a full-port burn-in before packing
• UL, PSE and market-specific filing support is available for buyers serving North America and Japan
• Firmware can be customized for tariff logic, load limits, display language and payment flows

In the back office, the CSMS dashboard showed all 20 ports online with live meter values, three days after installation.

Problem Analysis & Field Report: Why Global Buyers Need Mobile Payment EV Charging Station

The complaint did not arrive through the returns portal; it arrived as a repeat-order question. A rider forum documented stations that charged full-session fees after power cuts because offline sessions could not reconcile.

Field case: A transport-hub vendor in Ho Chi Minh City piloted the WL-QR10 against two rivals on payment speed. Median scan-to-socket time ran under six seconds, rider complaints stopped, and the hub management standardized the model across all waiting areas.

Why it matters for global buyers:

• gateway outages must not stop ports from charging
• the fix was cached offline tariff rules with post-hoc reconciliation
• UV-laminated per-port QR decals survive a full outdoor season

Wanlin EV Charging OEM & ODM Services for Global Distributors and Brands

Wanlin runs OEM and ODM programs for buyers who want their own charging station line without building a factory. Customization covers:

• Cosmetics: cabinet colors, logo printing, port labels and decal sets on existing tooling from 50 units
• Firmware: tariff logic, load caps, timer behavior, display language and payment flows
• Protocol layer: OCPP 1.6J builds pointed at buyer-specified CSMS endpoints, security profiles and custom DataTransfer messages
• Exclusive tooling: new enclosure molds and cable-path tuning for brands that need a design nobody else can copy
• Connected builds: 4G cloud dashboards and fleet portals under the buyer brand when a software layer is required

Product Introduction: Wanlin Mobile Payment EV Charging Station

The shipping version keeps the same sealed gland plate and the same RCD wiring the field units earned.

Core Features:

• China-Based Manufacturing: Wanlin produces in Shenzhen with in-house SMT lines, enclosure and cable assembly, and burn-in racks that load-test and cycle every finished station before packing
• Certification Transparency: CE, RoHS and IEC 61851-1 documentation is provided per model, and OCPP 1.6J conformance logs plus metering accuracy files travel with the shipment so containers clear without surprises
• Tested Claims: meter accuracy, RCD trip time and enclosure sealing are verified on samples from every production lot, and the reports are recorded per batch
• Private Label Support: cabinet colors, logo, firmware, tariffs, packaging, manuals, decals and spare kits are customized for each program
• Global Shipping Experience: we pack for charging distributors, property developers, fleet operators and e-mobility buyers across Southeast Asia, the Middle East, Europe, North America and Africa

Technical Specifications

Parameter	Wanlin Specification
Payment	QR linked to local wallets with per-kWh or per-time billing
Offline Mode	tariff rules cached locally, sessions complete without network
Ports	10 metered sockets per cabinet
Connectivity	OCPP 1.6J over 4G with WiFi backup
Reconciliation	daily settlement reports and merchant portal export
Display	per-port LED plus LCD tariff board
Protection	per-port overload, leakage and surge
Housing	IP54 steel cabinet with IK10 panel
QR Hardware	unique per-port QR with UV-laminated tamper-proof decals

Application Scenarios for Global Market

Application	Model	How It Helps the User
Street parking bay	WL-QR10	Riders scan, charge and pay without an attendant on site
Market-side charging point	WL-QR10	Wallet payment matches how market customers already pay
Shop-front paid socket	WL-QR10	The shop earns on charging without touching cash
Transport hub waiting area	WL-QR10	Short sessions with per-time billing fit waiting riders
Campus open area	WL-QR10	Students pay from the same wallet they use for lunch

Certified EV Charging Manufacturing for Global Markets

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:

• Every finished station is hipot-tested, RCD trip-time verified and powered through a full-port burn-in before packing
• UL, PSE and market-specific filing support is available for buyers serving North America and Japan

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.

Why Choose Wanlin as Your EV Charging OEM Manufacturer

Put side by side with the alternatives the buyer had been using, the difference showed up in test time, not just features.

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

EV Charging OEM Process: From Inquiry to Shipment

From the first sample request to the sailing date, the buyer could see each gate in writing. A standard charging station OEM project then follows 8 steps:

1. Tell Us Your Target Market - Southeast Asia, the Middle East, Europe, North America, Africa or Latin America; each market may require different certifications, socket standards, voltage classes and manual languages
2. Select a Model Line - our team recommends WL-series platforms for your channel and price band, or works from a reference unit you send
3. Verify Documentation - request certificate files, OCPP conformance logs and test reports for the exact model before you commit
4. Confirm Customization - cabinet colors, logo, firmware behavior, tariff logic, payment flows and packaging
5. Sample Evaluation - verify meter accuracy, load balancing and CSMS integration on real samples before scaling
6. Confirm Production - after specifications, commercial terms and OEM details are locked
7. Quality Inspection - lot samples are tested and every finished station passes hipot, trip-time and burn-in racks before packing
8. Shipment - cartons leave FOB, CIF or DDP according to the agreed logistics terms

Customer Testimonials

The quotes below come from follow-up calls after the first season of uptime data arrived.

• Somchai Prasert (EV Charging Station Distributor, Bangkok, Thailand): "The cabinet survived a monsoon season on an open shed wall. That story sold more units than our ads did."
• Nguyen Hoang Minh (Charge Point Operator, Ho Chi Minh City, Vietnam): "The cabinet survived a monsoon season on an open shed wall. That story sold more units than our ads did."
• Noppadol Wichaidit (EV Charging Station Distributor, Ho Chi Minh City, Vietnam): "I have bought from four factories in this category. This is the first one whose meter readings matched the utility bill."

Frequently Asked Questions

Q: How long from scan to charging?

A: Median time runs under six seconds on local networks, with the socket locking at scan to hold the port.

Q: What if the payment gateway goes down?

A: Cached tariff rules let ports keep charging, and offline sessions reconcile automatically when the gateway returns.

Q: Do the QR stickers survive outdoors?

A: Yes, UV-laminated tamper-proof decals are rated for a full outdoor season and reprint kits ship with spares.

Q: Can we set per-kWh and per-time pricing?

A: Yes, both modes run at the same time on different port groups, with time-of-day tiers.

Q: Can riders see the price before scanning?

A: The LCD tariff board lists current rates for every port mode.

Project Summary

Measured result By working directly with manufacturer Wanlin, the EV Charging Station Distributor team in Ho Chi Minh City 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

• Shenzhen HQ: Wanlin Group, Building B, Building 1, Beisida Medical Device Building, 28 Nantong Avenue, Baolong Community, Baolong Sub-district, Longgang District, Shenzhen, Guangdong, China