J&HW Group

J&HW Group Started in 1998, J&HW Group has six major business divisions: 1. Cables; 2. Wire harnesses; 3. Industrial electrical distribution boxes and components; 4.

Precision sheet metal manufacturing; 5. Mould manufacturing; 6. Production process automation.

12/08/2026

Built for the factory floor. ⚡🏭
Real industrial loads. 380V. Heavy machinery running non-stop. Our temporary power distribution boxes are engineered to handle it — and made in-house to your exact spec.
📩 Message "SPEC" or tap the link for ratings and pricing.●

11/08/2026

Tested before it's trusted. ⚡
Every temporary power distribution box is put through real load, ingress and durability testing before it ships — so what reaches your site performs exactly as promised. Made and tested in-house.
📩 Message "FACTORY" to see our build and test process.●

07/08/2026

Built for the factory floor. ⚡🏭
Real industrial loads. 380V. Heavy machinery running non-stop. Our temporary power distribution boxes are engineered to handle it — and made in-house to your exact spec.
📩 Message "SPEC" or tap the link for ratings and pricing.●

06/08/2026

The power setup that keeps events, sites and shows running. ⚡
Weatherproof, tough, and built to distribute safe power wherever the job takes you — designed and manufactured in-house. When downtime isn't an option, this is what you want on the ground.
📩 Message "SPEC" or tap the link for full specs and pricing.●

05/08/2026

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Every box. Same standard. Built in-house. ⚡
From assembly to final test, our temporary power distribution boxes are made and checked by our own team — so what lands on your site is exactly what we promised. That's the advantage of buying direct from the manufacturer.
📩 Message "FACTORY" or tap the link to see the full range and build your custom solution.

04/08/2026

Ready before the workday starts. Running long after. ⚡
Our temporary power distribution boxes set up fast and keep your site powered all day, whatever the conditions — made in-house to your exact spec.
📩 Message "SPEC" or tap the link for the full range and pricing.●

03/08/2026

Every rating, verified. ⚡
Before any distribution box ships, we run real electrical and function checks — so the unit you receive performs exactly as its spec says. Built and verified in-house.
📩 Message "FACTORY" to see our build and test process.●

30/07/2026

Built in-house, start to finish. 🔧⚡
From the steel enclosure to the final power test, every distribution box is made under one roof — so we control the quality, the lead time, and the spec. That's what "manufacturer, not trader" really means.
📩 Message us "FACTORY" or tap the link to build your custom solution.●

25/07/2026

🔌 How is power lock assembled? Let’s take a look inside!

Every strong power connection starts with careful assembly.

Our power lock are assembled with attention to every detail:

✔ Precision components
✔ Secure wiring connection
✔ Strong mechanical structure
✔ Reliable performance in outdoor environments

Designed for:
🏗 Construction sites
🎵 Music festivals
⚡ Temporary power distribution
🚚 Rental power applications

A professional plug is not just about connecting power — it’s about keeping projects running safely.

Watch how our power lock are built from components to finished products.

👉 Need industrial plug & socket solutions?
Contact J&H Electric.

lock

16/07/2026

🔧 **Behind Every Reliable Distribution Box Is Precision Assembly.**

A high-quality distribution box isn't just about the final product—it's about every step of the manufacturing process.

At J&H Electric, every unit is carefully assembled by experienced technicians and inspected to ensure reliable performance in demanding environments.

✅ Professional wiring and neat cable management
✅ Premium industrial-grade components
✅ Strict quality control before delivery
✅ OEM & ODM customization available

Built for:
🏗 Construction Sites
🎪 Temporary Power Projects
🎵 Events & Festivals
⚡ Equipment Rental Companies

Looking for a reliable manufacturer for your next project?

📩 Contact J&H Electric today to discuss your requirements.

Address

No. 376, Ninghe Road, Panhuo Street, Zouzhou District
Ningbo
315105

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