777 electric technology co., ltd. is located in the coastal area of southern zhejiang province, on the coast of the east China sea, at the foot of yandang mountain with beautiful scenery and the leqing economic development zone with convenient transportation

With vacuum arc interrupter products as its core industry, 777is a scientific and technological enterprise focusing on the r&d, design, production, sales and service of 1.14-40.5kv vacuum arc interrupter. The main products are suitable for aas-filled cabinet. solid cabinet. indoor vacuum circuit breaker, outdoor vacuum circuit breaker. load switch ang other products as well as fixed sealing pole pole series products.