Our Factory

Sunway Hanguang Electric Manufacturing Limited is an high level science and technology corporate enterprise founded in 1968, and locating in Hi-tech Zone of Xiaogan, Hubei province. Our company covers area of 40,000square meters, building area is 15,000 square meters, total assets over 80 million yuan, we have over 100 staff members, 16 R&D specialists.

“Sunway Hanguang” brand series products include vacuum interrupter, embedded pole, vacuum circuit breaker, load breaking switches and recloser and ring main unit, vacuum contactor, accessories for high-voltage electrical apparatus, and components of vacuum interrupter and VCB . The products have features of standardization, serialization, miniaturization, long life, high reliability and specialization. At present, the company has developed complete series of vacuum interrupters, including voltage ratings of 12kV, 24 kV, 36 kV, 40.5 kV , with voltage level covering from 0.66KV to 40.5KV, which are in line with the related national and international standards such as GB, IEC and ANSI etc. The company has become the enterprise covering the widest range of vacuum interrupter parameters globally. The company’s main product has been serving the electric company for many years. Our products have been widely used in power distribution and transmission system of electric power, metallurgy, petroleum, chemistry, mine, railway, broadcast, communication industries. The annual production and sale capacity of vacuum interrupter can reach 350, 000 pieces.

Compared to two times brazing, our advanced one time brazing technology can reduce the air leakage rate greatly, with the help of the pressure tanks, it can check out the air leakage vacuum interrupters in very short time, this can find out the slow leak vacuum interrupters before they have been assembled. It can make sure quality stable, reliable and consistent as the special current and voltage aging technology, advanced design, strict producing flow and quality control process. Our core components are purchasing from famous domestic and international companies, and are inspected strictly by CNS. We own sophisticated measuring & testing equipments, each process has strict standard operation procedure, quality specialists supervise every process from producing, inspection to re-inspection before delivery, to make sure qualified products for every partners.

We pay much attention on bringing in and training talents, and we have the specialized R&D team, senior managers and skilled workers, they insist on researching technical problem, to create qualified products for partners.

Our Certificate

We have ISO9001-2008 management system certificate.

Production Market

Our products are not only sold well in domestic market but also exported to American, the Middle East, India, Thailand, Malaysia, France, Italy, Turkey, Russia, Korea and America, the product export volume has been keeping growth with a rate of more than 10% in recent years, and we cooperate with multinational companies and famous listed companies for many years.

Warehouse