About HIITIO
HIITIO was founded in 2018 as a spin-off from Hecheng Electric, bringing together a seasoned R&D team and advanced manufacturing capabilities. We specialize in high-voltage DC contactors, power modules tailored for the new energy sector: electric vehicles, solar systems, and energy storage solutions.
With rigorous quality control, full in-house manufacturing, and certifications like IATF16949, we deliver safe, stable, and top-quality electrical devices with fast turnaround and customizable options.
“Precision manufacturing. Proven performance. Global trust.”
David Zheng
General Manager
Decades of expertise in high-voltage electrical precision manufacturing and supply
Serving customers across the globe with trusted electrical connection.
Partnering with HIITIO delivers tailored electrical solutions that empower innovation.
Equipped with large-scale manufacturing facilities and an advanced testing laboratory.
Step Inside HIITIO
Take a closer look at HIITIO’s world — a place where ideas turn into innovation. Our modern campus showcases the strength of our team and the precision of our engineering.
Scalable Production Assurance
HIITIO possesses a 3,000 m² production base, including a 1,500 m² dedicated power module production line. Its 10,000-class cleanrooms support an annual capacity plan of 300,000 units, meeting high-volume delivery demands in industrial and new energy sectors.
A Top-tier R&D Capabilities
Our R&D team comprises 50% master’s/Ph.D. holders, with core members averaging over 10 years of power module development experience. We have successfully built a full product matrix covering 650-6500+ voltage ranges and 10-5000A current ratings, including mainstream topologies like PIM/6-pack/half-bridge.
Military-grade Quality System
Implemented 23 quality control checkpoints such as 100% X-ray void inspection and dynamic/static electrical performance testing. Products comply with IEC-60747/60749/60068 standards, and SiC modules withstand high-temperature operation up to 200°C.
Innovation in Every Process
Take a closer look at HIITIO’s world — a place where ideas turn into innovation. Our modern campus showcases the strength of our team and the precision of our engineering.
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wafer sawing
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Laser marking
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die attach
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automatic pin inserting
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Cu wire bound
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Case laser marking
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Case Assembly
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HTRB Testing
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Product testing
Our Path and Milestones
From humble beginnings to a trusted global partner, HIITIO’s continuous innovation and commitment to excellence have shaped every step of our growth.
Global Reach & Recognition
HIITIO’s semiconductor power modules are growing international presence reflects our consistent performance and customer-first approach.
Advanced Manufacturing
HIITIO maintains full control over every stage — from chip bonding to final testing. Each module is built under strict standards to ensure reliability and long-term performance.
Innovative Power Efficiency
Through continuous R&D in IGBT and SiC technology, HIITIO delivers modules with higher efficiency, lower switching loss, and better thermal management.
Precision and Reliability
HIITIO believes that every semiconductor module should deliver efficient, safe, and intelligent energy control. By combining innovation with precision manufacturing, we empower industries to move toward a smarter and more sustainable future.
Why Choose Us
With years of expertise in semiconductor power technology, HIITIO is trusted by global partners for its commitment to quality, reliability, and customer satisfaction.
24/7 Customer Support
HIITIO offers round-the-clock technical and customer support, ensuring that every inquiry and project receives timely assistance
High-Standard Project Delivery
HIITIO is committed to delivering high-performance power modules that meet international standards and exceed client expectations in reliability and efficiency.
Global Supply Chain Integration
From raw materials to final modules, we ensure consistency, traceability, and on-time delivery anywhere in the world.
Trusted by Industry Customers Worldwide
Join Our Growing List of Satisfied Clients
Join hundreds of global partners who trust HIITIO for reliable semiconductor power solutions, consistent quality, and long-term technical support.
Latest News

When Lower Power Module Cost Increases Total System Lifecycle Expenses
Discover why choosing lower-cost power modules can increase total system lifecycle costs due to thermal, reliability, and supply chain risks.

How to Evaluate SiC Power Module Vendors Beyond Price and Specs
Learn how to compare SiC power module vendors beyond price and datasheets by evaluating reliability, thermal management, and supply chain resilience.

What OEM Buyers Must Ask Before Choosing Power Module Suppliers
Discover essential questions OEM buyers must ask power module suppliers to ensure reliability, optimize total cost of ownership, and secure supply chain stability.
Have A Business Idea In Your Mind?
Let HIITIO turn it into reality with our reliable Semiconductor Power Modules. From concept to production, we deliver efficient, high-performance solutions that power your innovation.
