We are JSYW, a trusted manufacturer and supplier based in China, specializing in high-capacity power transformer solutions from 110kV to 220kV for utilities and industrial plants. Our heavy-duty oil-immersed and amorphous alloy transformers are engineered for long service life, precise voltage regulation, and excellent efficiency under heavy loads. We combine strict quality control with national-type testing approvals to ensure every unit meets performance and safety expectations. Learn more about our global footprint on our Home page and reach out via our Contact form for tailored support.
What is a power transformer and why is it critical?
A power transformer transfers electrical energy between voltage levels, supporting transmission and sub-transmission grids. At JSYW we manufacture both large ultra-high voltage units and bespoke power transformers optimized for grid stability, low-loss operation, and thermal reliability. Our designs use refined core materials, robust insulation systems, and proven cooling regimes to reduce no-load and load losses. Routine, type and special tests by national centers and state institutes validate our performance claims, and our production lines are set up for repeatable quality to meet export requirements to markets such as Australia and New Zealand.
For project inquiries or specification clarifications, contact our sales engineers — we provide datasheets, factory acceptance testing, and logistics coordination. Contact us today to request quotes or engineering consultation.
