Made in Xuzhou, Jiangsu. Up to 31 500 kVA, at 50 or 60 Hz. From 630 to 2 500 kVA at 10 kV, the S22-M and SCB18 are energy-efficiency Grade 1, and a 2 000 kVA unit of each passed type tests to IEC 60076 in May 2026.
Grid voltages we build for
Oil-immersed and cast resin dry-type transformers from 6 to 35 kV and up to 31 500 kVA. Listed by model series.
[TBC: kVA range and voltage classes per series]
Oil-immersed transformer with radiators and a conservator, in the factory hall.
S22-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-tested May 2026 to IEC 60076 and GB standards, 2 000 kVA unit
SZ20
Cast resin dry-type transformers on the factory floor.
SCB18
Energy-efficiency Grade 1 (NX1) under GB 20052-2024 across the filed range, 630 to 2 500 kVA at 10 kV.
Type-tested May 2026 to IEC 60076 and GB standards, 2 000 kVA unit
We also build compact substations, and special and non-standard transformers to your specification.
See the full rangePick your country to see the grid voltages and frequency we build for, and which channel reaches us first.
Grid we build for
These are the voltages we build for. The Grade 1 and IEC 60076 records are for 10 kV units. [TBC: kVA range and voltage classes per series]
Grid we build for
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These are the voltages we build for. The Grade 1 and IEC 60076 records are for 10 kV units. [TBC: kVA range and voltage classes per series]
Grid we build for
These are the voltages we build for. The Grade 1 and IEC 60076 records are for 10 kV units. [TBC: kVA range and voltage classes per series]
Grid we build for
These are the voltages we build for. The Grade 1 and IEC 60076 records are for 10 kV units. [TBC: kVA range and voltage classes per series]
Grid we build for
These are the voltages we build for. The Grade 1 and IEC 60076 records are for 10 kV units. [TBC: kVA range and voltage classes per series]
Grid we build for
These are the voltages we build for. The Grade 1 and IEC 60076 records are for 10 kV units. [TBC: kVA range and voltage classes per series]
Grid we build for
These are the voltages we build for. The Grade 1 and IEC 60076 records are for 10 kV units. [TBC: kVA range and voltage classes per series]
Grid we build for
These are the voltages we build for. The Grade 1 and IEC 60076 records are for 10 kV units. [TBC: kVA range and voltage classes per series]
Grid we build for
These are the voltages we build for. The Grade 1 and IEC 60076 records are for 10 kV units. [TBC: kVA range and voltage classes per series]
Grid we build for
These are the voltages we build for. The Grade 1 and IEC 60076 records are for 10 kV units. [TBC: kVA range and voltage classes per series]
Grid we build for
These are the voltages we build for. The Grade 1 and IEC 60076 records are for 10 kV units. [TBC: kVA range and voltage classes per series]
Grid we build for
These are the voltages we build for. The Grade 1 and IEC 60076 records are for 10 kV units. [TBC: kVA range and voltage classes per series]
Third-party labs type-tested these units. Select a line to find it on the certificate.
S22-M-2000/10-NX1, oil-immersed power transformer, 2 000 kVA, 10 kV. Tested 18 to 22 May 2026; report issued 24 May 2026.
Each bar shows the measured loss against the Grade 1 limit in GB 20052-2024 (the line).
No-load loss
Measured 989.0 W. The Grade 1 limit is 1 085 W. 8.8 % below. Rated 1 080 W.
Load loss
Measured 12 659.0 W. The Grade 1 limit is 13 180 W. 4.0 % below. Rated 13 175 W.
A type-test certificate applies to the sample tested in its report.
SCB18-2000/10-NX1, dry-type cast resin transformer, 2 000 kVA, 10 kV. Tested 19 to 22 May 2026.
Each bar shows the measured loss against the Grade 1 limit in GB 20052-2024 (the line).
No-load loss
Measured 1 428.0 W. The Grade 1 limit is 1 760 W. 18.9 % below. Rated 1 755 W.
Load loss at 145 °C
Measured [TBC: value only partly legible on our copy of the report]. The Grade 1 limit is 14 005 W. Rated 14 000 W.
A type-test certificate applies to the sample tested in its report.
SZ20-8000/35, oil-immersed power transformer with on-load tap-changer, 8 000 kVA, 35/10.5 kV. Tested 13 July to 12 August 2025; issued 12 August 2025.
[TBC: measured losses for the SZ20]
No. 300 Xuhai Road, Xuzhuang Town, Xuzhou Economic and Technological Development Zone, Xuzhou, Jiangsu, China
Quality management certified to ISO 9001:2015 by ZQHX Certification Center, valid until 1 April 2027.
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SGS or BV welcome for third‑party inspection.
[TBC: factory area, staff and annual output]
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