About JSHP

Core Production and Manufacturing Capacity

JSHP high-voltage power transformer on international project site

JiangSu HuaPeng Transformer Co., Ltd., Doing Business As JSHP Transformer, was founded in 1967 and is now a completely family-owned manufacturer. JSHP Transformer is the world's biggest single transformer manufacturing factory, with 15,000+ units of 110kV and up high-voltage transformers and hundreds of distribution transformers shipped to 100+ countries worldwide.

JSHP ships on average, per day, 2–3 units of high-voltage transformers in the past two decades and proudly states that JSHP mass-produces high-voltage transformers even though each unit has its own design. JSHP high-voltage transformers support 20% of Las Vegas city load, 10% of New York City, and 10% of Dublin, Ireland. In 2023, JSHP shipped 2 units of 500kV, 1000MVA transformers in 131 days.

JSHP Transformer production lines span from 5kVA single-phase pole top to 3-phase 850kV 1000 MVA transformers, including shunt reactors, phase-shifting transformers, HVDC converter transformers, arc furnace transformers, and rectifier transformers.

At a Glance

JSHP Quick Facts

  • 1967 Founded
  • ~2,500 Employees
  • US$1.2B Revenue (2025)
  • 111,500 Delivered MVA (2025)
  • 846 110–850 kV units (2025)
  • 15,202 ≤69 kV & Dist. units (2025)
  • 200,000 MVA, 850 kV Capacity
  • 50 days Avg. fab. time (110–850 kV)

JSHP Transformer production line span from 5kVA single phase pole top to 3phase 850kV 1000 MVA transformer, including shunt reactors, phase shifting transformers, HVDC converter transformers, arc furnace transformers, rectifiers transformers.

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765kV Delivery to Ohio, USA

Delivered a 765kV/18kV 245MVA GSU per ANSI/IEEE C57 in one year to Ohio, USA! JSHP can do this again & again. This delivery demonstrates JSHP’s ability to manufacture and deliver…

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What We Offer

Our Products

JSHP Transformer production line focuses on transformer only, with manufacturing capacity up to 850kV, 1,000 MVA. Products span from 5kVA single-phase pole top to 3-phase 850kV 1000 MVA transformers, including oil-immersed power/auto transformers, shunt reactors, phase shifting transformers, HVDC converter transformers, arc furnace transformers, rectifier transformers, distribution transformers, MV prefabricated substations/skids, cast-resin dry type transformers, and JStrong™ explosion-resistant transformers. JSHP ships average 2–3 units of HV transformers per day and delivered 111,500 MVA in 2025.