- ISO 9001 · CE · IEC 60076
- SGS / BV Inspection
- Shipping to 15+ Countries

Transformer Series
Oil-Immersed Transformers
3 products

Power Transformers 35 kV – 500 kV
Large oil-immersed power transformers for high-voltage transmission and substation duty, 35 kV up to 500 kV. Built for continuous full-load service, with cooling, insulation and sealing specified to the site — including sustained operation above 50 °C in desert conditions.
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Pad-Mounted & Pole-Mounted Transformers
The S13 - S11 - M-RL series stereoscopic triangle roll of iron core transformer enjoys special allowance treatment and expert cooperation. After successful research and development, it produces more energy-saving materials. The product has passed the national transformer quality inspection center of the whole experiment.
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Distribution Transformers
The three-phase oil-immersed distribution transformer applies a new type of insulating structure and makes short-circuit resistance strong. The iron core is made of high-quality cold-rolled silicon-steel plate.
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Zhongwei Willis (Shanghai) Electric Technology Co., Ltd. is a Shanghai-based supplier of power transmission and distribution equipment — transformers, substations and switchgear for clients across Africa, the Middle East, Southeast Asia and Central Asia, from 10 kV to 500 kV.
- ISO 9001
- CE
- IEC 60076
- SGS / BV
Products
Contact
- Room 21, Block D, 6/F, No. 1000 Zhenchen Road, Baoshan District, Shanghai, China
- +86 131 5355 3230
- WhatsApp +86 176 0546 5723
- 3373867314@qq.com
© 2025 Zhongwei Willis (Shanghai) Electric Technology Co., Ltd. All rights reserved.
Supplied to IEC 60076 · ANSI/IEEE · CE · ISO 9001
