
Inside Our Switchgear Factory
A Sino-Korean joint venture manufacturing 12–24kV switchgear since 2001, with Spanish INAEL RMU technology introduced in 2008. Every unit is assembled, tested, and inspected in-house before shipment.
From Order to Shipment in 30 Days
A single production flow covers fabrication, assembly, and routine testing — so lead times stay predictable for export orders.
Engineering Review
Specs confirmed against IEC 62271; drawings released to the workshop.
Fabrication
Enclosures and busbars cut, punched, and powder-coated in-house.
Assembly
Breakers, switches, and RMU tanks assembled on dedicated lines.
Routine Testing
Power-frequency withstand, resistance, and mechanical operation tests on every unit.
Packing & Shipment
Export packing with inspection report; standard 30-day lead time.
Workshops & Assembly Lines
Real photos from our production facility in Cixi, Zhejiang.





Quality Testing Equipment
Every switchgear unit passes routine tests per IEC 62271 before leaving the factory.








Certified for Global Markets
Our quality and environmental management systems are audited annually, and product lines carry the certifications international buyers require for tenders and customs clearance.
Request certificate copiesFactory Milestones
Founded as a Sino-Korean joint venture
Ningbo Nature ShinSung Automation Co., Ltd. established in Cixi, Zhejiang, focused on medium voltage switchgear.
INAEL RMU technology introduced
Licensed SF6 ring main unit technology from INAEL (Spain), adding fully sealed RMU lines to production.
Capacity expanded to 10,000 units/year
New assembly workshop and routine test stations brought annual outdoor switch capacity to 10,000 units.
Exports reach 20+ countries
CE and PCCC certifications opened European, Middle Eastern, and Southeast Asian markets.
120 employees, 30-day lead time
Full in-house fabrication, assembly, and IEC 62271 routine testing with a standard 30-day export lead time.
Ready to source from our factory?
Send us your project specs — we reply within 24 hours with a quote and lead time.