ZPro Factory
10+ Years Experience

What We Do

Focused on transformer temperature indication, oil level monitoring and transformer monitoring solutions

Dalian Zhonghe focuses on the development, manufacturing and application support of transformer temperature indication, oil level monitoring and condition monitoring devices. Our core products are used in transformer manufacturing, substation projects, retrofit work and industrial power applications.

Established in 2011, we have accumulated over a decade of industry experience. We have established a comprehensive R&D system and manufacturing capability, committed to providing customers with high-quality and highly reliable products and solutions.

We value long-term cooperative relationships with our customers. Through pragmatic work attitude and responsive project capabilities, we provide overseas market partners with professional commercial coordination, technical documentation support and project follow-up services.

Product Range

Our Product Portfolio

Winding Temperature Indicators

Accurately monitor transformer winding temperature to ensure safe operation

Top-Oil Temperature Indicators

Real-time monitoring of oil temperature to ensure normal operation

Oil Level Monitoring Devices

Digital oil level monitoring, precise and reliable

Dry-Type Transformer Temperature Controllers

Temperature control solution specifically designed for dry-type transformers

Monitoring Systems

Real-time online monitoring and early warning of transformer status

Manufacturing & Testing Capabilities

Our manufacturing and testing facilities are equipped with standard constant temperature water tanks, standard constant temperature oil tanks, high-temperature test chambers, vibration tables, test detection systems and various professional instruments and equipment. This enables us to carry out both routine inspections and type tests to support product quality control and reliable project delivery.

Quality Assurance

We maintain rigorous quality control processes and hold ISO9001 certification. Our commitment to quality ensures that every product meets industry standards and customer specifications.

Cooperation Model

International Business Support

For international business, we support overseas customers through commercial communication, quotation coordination, technical documentation and project follow-up, while manufacturing and technical support are backed by the original factory system.

We coordinate authorization documents, technical data, inspection reports, remote technical meetings and third-party inspection support to help customers advance project cooperation with efficiency.

Commercial Communication
Quotation Coordination
Technical Documentation
Project Follow-up
Global Service
10+ Service Countries
100+ Cooperative Customers

Our Commitment

We value long-term cooperation and the quality of response for each project. Whether it is standard model supply, technical selection support, or project-based customized solutions, we are committed to providing customers with clear, reliable and verifiable cooperation.