Our Product Range

JSB Transformers Range

The Zhejiang Jiangshan Transformer (JSB) product range consists of high-quality, factory-engineered power and distribution transformers designed to support reliable voltage transformation across renewable energy, utility, industrial, and infrastructure applications. Built to international IEC standards, JSB transformers are engineered for high efficiency, low losses, and long service life, ensuring stable and dependable performance in both grid-connected and standalone power systems. With strong manufacturing capability and advanced design optimisation, the range supports scalable deployment across C&I, utility-scale renewable energy, and grid infrastructure projects, while maintaining cost competitiveness and operational reliability.
High Performance Transformers

Reliable Power Conversion for Modern Energy Systems

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Optimised for Renewable & Grid Applications

Well-suited for solar PV, wind, and BESS applications, enabling efficient voltage step-up/step-down integration within modern energy systems.

Long Service Life with Low Maintenance Requirements

Designed for durability and minimal maintenance, reducing lifecycle operating costs and improving overall system uptime.

High-Efficiency Power & Distribution Transformers.

Engineered with low-loss core materials and optimised winding design to improve efficiency, reduce heat generation, and minimise lifetime energy losses

Wide Voltage & Capacity Range

Available in multiple voltage classes and power ratings, supporting applications from small industrial systems to large utility-scale substations.

Grid-Compliant Design (IEC Standards)

Manufactured in accordance with international IEC standards, ensuring compatibility with global grid requirements and utility interconnection specifications.

Robust Thermal & Overload Performance

Designed for high ambient temperature environments with strong overload tolerance, ensuring stable operation under fluctuating load conditions.

Oil-Immersed & Dry-Type Options

Offers both oil-immersed and dry-type transformer solutions, allowing flexibility for indoor, outdoor, and environmentally sensitive installations.

Low Noise & High Reliability

Construction Advanced core stacking and vibration control design reduces operational noise while enhancing mechanical strength and long-term reliability.

Rugged Industrial-Grade Build Quality

Built for demanding environments including renewable energy plants, mining operations, and heavy industrial applications with strong protection against environmental stressors.

Custom Engineering & Project-Specific Design

Transformers can be tailored to specific project requirements including voltage ratios, vector groups, cooling methods, and protection configurations.
Industrial transformer in renewable energy site
Industrial power plant with renewable energy elements
Industrial energy infrastructure under bright daylight
Industrial electrical testing lab interior