Patents
 Marine AC metal-enclosed switchgear pressure relief device (2013)
Marine AC metal-enclosed switchgear pressure relief device (2013)   Porcelain knob circuit breaker shield cover (2012)
Porcelain knob circuit breaker shield cover (2012)   Air-conditioning control cubicle (2013)
Air-conditioning control cubicle (2013)   Low-temperature sulfur hexafluoride circuit breaker heating unit (2012)
Low-temperature sulfur hexafluoride circuit breaker heating unit (2012)   High-voltage switchgear motor controller (2013)
High-voltage switchgear motor controller (2013) 
ISO Certification
Quality Assurance