What types of extension sockets does Heikki manufacture?

Heikki manufactures multi-plug extension sockets, UK, Philippines, Thai, EU/KC, USA and Africa standard power strips, plus adaptors and universal travel adapters. Options include USB-A and USB-C charging, master or individual switches, child-safety shutters, overload protection and surge protection depending on the model.

Which market certifications can Heikki products meet?

Heikki's regionally certified portfolio holds approvals including SASO/SQM (Saudi Arabia), GCC, ESMA/ECAS (UAE), BS 1363 (Hong Kong), SS 145 (Singapore), MS 589 (Malaysia), PS (Philippines), KC (South Korea), TISI (Thailand), SON (Nigeria), CE (Europe), UKCA (UK), CB and CCC. New OEM projects are engineered to the standard of the buyer's target market.

Does Heikki offer OEM and ODM services?

Yes. Heikki provides one-stop OEM and ODM services covering product definition, industrial design, tooling, sampling, certification support, private-label packaging and mass production in its own 30,000+ m² factory.

What quality systems does Heikki follow?

Heikki operates under ISO 9001, ISO 14001 and ISO 45001 management systems, holds High and New-Technology Enterprise (HNTE) status, and verifies products in an in-house testing laboratory.

Where is the Heikki factory located?

The factory is located at No. 179, Gaoxin West Road, Jianghai District, Jiangmen City, Guangdong Province, China, within the Pearl River Delta manufacturing region.

High-Quality Outlet Extender Plug Manufacturer & Factories

Precision-engineered AC/DC distribution units, Gallium Nitride (GaN) fast-charging hubs, and commercial-grade surge protection. Industrial E-E-A-T manufacturing compliance for tier-1 global importers and electrical distributors.

Direct-From-Factory Solutions

High-Performance Extension Sockets & Adapters

Engineered for high current stability, surge resistance, and cross-continental electrical safety compliance.

5 Gang 3 USB Ports Extension Power Socket with Surge Protection - BS1363A Compliant

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Thailand Overload Protection Extension Socket

Overload Protection Extension Socket with 5 Power Outlets 1.4-meter Extension Cord

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Multi-Purpose Retractable Travel Extension Cord with 2 Sockets & 2 USB Ports

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OEM 125V/15A Power Strip with 6 AC Outlets & 2 USB Ports Surge Protected

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EU Standard Power Strip, 4 way Extension Cord with LED Master Switch, CE Certified

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8-Outlet Universal Power Strip: 2 Universal Sockets + 6 Flat Pin Sockets

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OEM 4 Gang 2 USB Ports British Standard Extension Power Socket Surge Protection

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Thailand Overload Protection Extension Socket with 5 Outlets & USB Ports

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Technical Innovation

Engineering Architecture & Technology Roadmap

Pioneering the paradigm shift from basic copper taps to intelligent power routing matrices.

GaN Fast-Charging Integration

Our 4th-generation outlet extenders incorporate Gallium Nitride (GaN III) high-frequency power semiconductors, delivering up to 65W–140W USB-C PD (Power Delivery) inside standard junction volumes while lowering thermal dissipation by 38%.

Advanced Surge & Transient Suppression

Integrated multi-stage Metal Oxide Varistors (MOV) coupled with thermal cutoffs provide up to 4320 Joules of transient surge suppression, protecting sensitive electronics against microsecond spikes and harmonic AC distortions.

Phosphor Bronze Busbar Topology

Moving away from point-to-point manual copper wiring, our modern production lines deploy stamped single-piece phosphor bronze strip conduits, maintaining elastic clamping force over 10,000+ insertion cycles without contact degradation.

Industrial Leadership

China Factory 4.0: Supply Chain Resilience & Lean Delivery

Combining high automated throughput with strict ISO 9001 quality management across our 30,000+ m² facility.

1995

Founded In Jiangmen

30,000+

Square Meters Facility

5,000,000+

Annual Unit Output

60+

Global Export Markets

Vertical In-House Integration

From initial mold tooling and high-precision injection moulding of 750°C glow-wire resistant polycarbonate casings to metal stamping, all stages are tightly governed within our Jianghai District industrial campus.

Automated Quality Assurance

Each assembly line features automated test stations verifying dielectric withstand voltage (Hi-Pot test at 3000V AC), grounding continuity (<0.1Ω), and dynamic contact insertion load to eliminate DOA rates for global brands.

Supply Chain Redundancy

Strategically situated in the Greater Bay Area hardware manufacturing cluster, we utilize localized raw polymer resin and copper wire supplies, ensuring rapid production turnaround and risk-resilient logistics.

Global Market Access

Regional Compliance & Macro Solutions

Addressing market-specific mechanical clearances, pin configurations, and electrical codes across key trading territories.

North America (NEMA / UL)

UL 1363, UL 1449, and UL 498 compliant designs. 125V/15A ratings with 14AWG heavy-duty copper cords, integrated resettable circuit breakers, and polarized safety grounding.

UK & Commonwealth

BS 1363/A, SS 145, and MS 589 certified. Built with integrated ceramic fuses, solid copper earth pins, and mechanical safety shutter interlocks protecting against foreign objects.

European Union & KC

CE, LVD, RoHS, and Korean KC safety certified. Compliant with CEE 7/3 (Schuko) and CEE 7/4 standards with dual side-earth clips, 16A 250V load capacities, and halogen-free cabling.

Middle East & ASEAN

Strict SASO/SQM (Saudi Arabia), G-Mark (GCC), ECAS (UAE), and TISI (Thailand) certification files maintained to facilitate rapid customs clearance and market entry.

OEM & ODM Capabilities

Supporting Global Enterprise Sourcing Demands

Custom-built procurement channels designed for retail chains, private labels, and commercial engineering contractors.

Tailored Industrial Design

Custom tooling development for low-profile flat plugs, 90-degree rotating AC heads, wall-mount geometries, individual rocker switches, and brand-aligned pantone colors.

Retail-Ready Packaging Solutions

Comprehensive packaging options from eco-friendly FSC certified kraft boxes and full color display sleeves to anti-theft clamshell blister packaging tailored for big-box retailers.

Traceability & Regulatory Dossiers

Complete traceability systems providing batch testing reports, material mill certificates, reach declaration, and factory audit documentation (BSCI, SMETA, ISO 9001, ISO 14001, ISO 45001).

Accelerate Your Electrical Sourcing Pipeline

Connect with our engineering consultation desk for OEM/ODM prototype fabrication, regulatory evaluations, and factory direct quotations.

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Industry FAQ

Frequently Asked Questions on Outlet Extenders

Essential answers regarding production parameters, certifications, and high-volume electrical procurement.

What is the difference between a simple wall tap and an outlet extender?

While basic wall taps typically split a single AC receptacle without regulation, modern outlet extenders integrate advanced transient voltage surge suppression (TVSS), high-efficiency USB DC rectification modules (such as QC/PD fast charging), individual load isolation breakers, and optimized spacing to accommodate wide transformer plugs.

How does Heikki ensure fire-retardant compliance?

Our housings are produced from virgin Polycarbonate (PC) and Acrylonitrile Butadiene Styrene (ABS) composite polymers rated UL 94 V-0. They undergo routine in-house glow-wire flammability tests up to 750°C/850°C (IEC 60695-2-11) to eliminate flame propagation risks during high-temperature anomalies.

Can you accommodate custom plug and socket standard combinations?

Yes. We design multi-standard products including combinations of British BS 1363, European Schuko, US NEMA, Thai TISI, and African round-pin arrangements. Our modular internal tooling allows flexibility across cord gauge (H05VV-F, SJT 14-16AWG), socket quantity, switch locations, and USB output capacity.

What are standard lead times and Minimum Order Quantities (MOQ)?

For standard OEM production runs using existing tooling, typical MOQs start at 1,000 to 2,000 units with typical lead times of 25–35 days. Custom tooling or unique industrial redesigns require 30–45 days for mold trial sampling prior to full-scale mass manufacturing.

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