Manufacturing
HAIYAN Is Driving Innovation in Distribution and Terminal Block Production
Step inside HAIYAN’s factory and discover how our 500+ skilled professionals transform advanced manufacturing technology into dependable OEM & ODM electrical connection solutions.
From prototyping to mass production, we help your projects move faster, operate safer, and maintain consistent quality at every stage.
Flexible Terminal Block Solutions Are Here for Industrial Applications
Full Product Line
Over 130 series, 2,300 specifications, supporting both small and large-volume orders.
Comprehensive Testing
Equipped with halogen moisture testers, tensile machines, image measuring systems, and third-party labs for guaranteed reliability.
High Efficiency
Annual production of 6M intelligent meter junction boxes and 2M meter connectors, ensuring timely delivery.
Haiyan’s Expertise is Your Advantage
in Power Distribution Systems
True manufacturing strength comes from measurable technical capability.
With over 25 years of industry experience and a dedicated R&D team of 70+ senior engineers, Haiyan holds 9 invention patents and 35 utility model patents, demonstrating deep know-how across power distribution and energy metering applications.
This technical foundation ensures that every metering junction box and high-current terminal is engineered to meet strict electrical performance and safety requirements—helping your projects achieve secure connections, accurate metering, and regulatory compliance with confidence.
Years of industry experience
Engineers of dedicated R&D team
Patents of invention & utility
01
Metering Junction Box Innovation
Our metering junction boxes are rated for up to 660V / 20A secondary circuits, manufactured from high-strength polycarbonate for excellent impact resistance, flame performance, and long-term aging stability.
Integrated test points improve inspection efficiency while enhancing on-site operational safety for utility metering and industrial control systems.
02
High-Current Terminal Development
Featuring reinforced engineering plastics and interlocking clamps, our high-current terminals support large cross-section conductors.
Quick, tool-free connections simplify assembly, improving project efficiency and delivering reliable, long-term power distribution performance.
Rely on Our Certified
Junction Boxes and Terminal Blocks
Secure Your Circuits with Proven Technology