WHO WE ARE
Top Providers of Commercial & Industrial Transformers
CTSS offers a comprehensive selection of commercial and industrial transformers. Our company designs, manufactures, and supplies transformers with an annual production capacity of 36 million kVA and voltage levels up to 330kV, with 500kV available upon request.
Expert design engineers support all of our power transformer projects to deliver solutions that meet your specific needs. Our quality management system is certified to GB/T 19001-2016 / ISO 9001:2015, with UL/cUL certification and SGS compliance verification supporting our commitment to quality, safety, and reliable transformer solutions.

Air-core Reactor
| High-voltage rated voltage | 6kV / 10kV / 35kV / 66kV / 110kV; customizable |
|---|---|
| Low-voltage rated voltage | Not applicable |
| Rated capacity | 50kvar ~ 120Mvar |
| Power Supply Mode | Series / shunt / filter / neutral earthing / motor starting reactor |
| Frequency | 50Hz; 60Hz customizable for overseas projects |
| Cooling Type | AN air natural cooling, dry type |

Dry-type Transformer
| High-voltage rated voltage | 6kV - 35kV |
|---|---|
| Low-voltage rated voltage | 0.4kV; export versions customizable to 400V, 480V and other voltages |
| Rated capacity | 100kVA - 25000kVA |
| Power Supply Mode | Three-phase AC power distribution; customized for rectifier and special-purpose applications |
| Frequency | 50Hz; 60Hz customizable for overseas projects |
| Cooling Type | AN natural-air cooling / AF forced-air cooling |