Oil-immersed and dry-type transformers
Our series, grouped by family, with the third-party evidence we have for each.
Oil-immersed and cast resin dry-type transformers from 6 to 35 kV and up to 31 500 kVA, for 6, 10, 11, 13.2, 13.8, 15, 20, 22, 33, 34.5 and 35 kV networks at 50 or 60 Hz. Low-voltage sides we build include 0.4, 0.415 and 0.433 kV.

Oil-immersed transformers
Oil-immersed transformer with radiators and a conservator, in the factory hall.
About oil-immersed transformersS22-M
Energy-efficiency Grade 1 (NX1) under GB 20052-2024 across the filed range, 630 to 2 500 kVA at 10 kV. Fully sealed tank.
Type-test certificate 20260592, May 2026, IEC 60076 and GB standards
SZ20
On-load tap-changer, 35 kV class.
Type-test report (2025) 皖检JZ字第0594号, August 2025, GB standards
S20
Energy-efficiency test report 24119B30120 on S20-M-2000/10-NX2, April 2024, Grade 2 under GB 20052-2020 (source: company brochure)
S13
Three-dimensional wound core.
Test report 24M0758-S on S13-M-400/15/0.4, 2024
SH15
Amorphous-alloy core.
No report published here yet
[TBC: kVA range and voltage classes per series]

Cast resin dry-type transformers
Cast resin dry-type transformers on the factory floor.
About cast resin dry-type transformersSCB18
Energy-efficiency Grade 1 (NX1) under GB 20052-2024 across the filed range, 630 to 2 500 kVA at 10 kV.
Type-test certificate 20260564, May 2026, IEC 60076 and GB standards
SCB14
Type-test report 23133B41263 on SCB14-2000/10-NX2, December 2023 (source: company brochure)
SC(B)H15
Amorphous-alloy core.
No report published here yet
[TBC: kVA range and voltage classes per series]
Compact substations
Prefabricated substations, European-type and American-type. [TBC: ratings, and a photo of a unit built here]
Ask about compact substationsSpecial and non-standard transformers
Designed and built to your specification, including electric furnace and rectifier transformers. Send the specification in the quote form.
Ask about a special designNot sure which series fits?
Send the rating and voltages in the quote form.
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