OEM & ODM
Your Trusted Power Distribution & Terminal Block Manufacturer
Factory-Direct Production
Explore Our Electrical Terminal & Distribution Blocks
We offer more than 2,300 product specifications covering terminal blocks, distribution blocks, junction boxes, and wire connectors. Built for demanding environments, our components deliver stable connections, accurate metering, and safe, efficient electrical installation.

Terminal Blocks

Distribution Blocks

Junction Boxes

Renewable Energy & Energy Storage Block/Connector

Neutral/Earth Terminal Bars
Flexible Terminal Block Solutions Are Here for Industrial Applications

Utility & Energy Metering

Renewable Energy

Low-Voltage Panels

Commercial & Industrial Wiring
Since 2002, we’ve supplied everything your power-distribution projects need—from high-current terminals to meter-box distribution blocks. Mix different models in a single order and select custom packaging to match your project requirements—all delivered from one source.
Stocked items are available from just 1 piece, ideal for urgent repairs or small-batch needs.
Small-batch and mixed-model orders are supported, with flexible delivery timelines of 20–25 days.
Custom packaging options are tailored to project workflows to simplify wiring organization and on-site installation.
Your One-Stop Terminal & Distribution Block Supplier
24-Hour Customer Care
Why Leading Electrical & Energy
Suppliers Choose HAIYAN
Built to Support Your Electrical Projects with Proven Metering and Power Connection Expertise
Trusted Worldwide for Power Distribution Connections
For overseas electrical installations, Haiyan supplies terminal blocks and metering junction boxes to customers in Europe, Southeast Asia, and the Middle East—helping buyers simplify sourcing and reduce project delivery risks.
Exporting experience handling international project requirements
One supplier covering complete connection systems
Deliveries for Power distribution, metering, and renewable energy systems
Our Latest Guides & Industry Trends
Stay Updated on Terminal Blocks & Distribution Solutions
Need high-current terminals and distribution blocks?
Secure Your Electrical Connections with Haiyan Solutions
At HAIYAN, we provide 130+ product series and over 2,300 specifications, covering terminal blocks, junction boxes, distribution blocks, and wire connectors.
If you need precise metering, high-current connections, or mixed-model orders, our factory-direct production ensures fast delivery and stable quality.
Fill out the form and let our experts match the right solution to your project.












