12kV AIS Supply for South Africa — 2026
For our South African project, we recalculated and revalidated the full insulation system to meet the local 11 kV / 95 kV standards, and optimized our 11 kV AIS small-current switchgear to 650 mm cabinet width with a 205 mm breaker pole pitch.
Intelligent 10kV AIS Supply for China Southern Power Grid Project – 2020
Guangzhou Lieqiao Substation, the "Power Box," is Guangzhou's first public smart substation. Zhengtchao Electric's intelligent AIS powers its smart operation.
24kV AIS for Philippines Project – 2025
This is another way of saying, “We’ve been in business for a long time because people love our products and trust us.”