Who are we? Longevis is an insulation and kit expert with manufacturing and distribution center in Pudong, Shanghai.As an certified channel partner by ABB insulation companies and other international companies, the center is customized to be one stop"shop" of insulation, accessories and equipment for distribution & power transformers. What do we have? Now the center can supply and produce crepe paper tubes, crepe paper, diamond dotted paper, kraft paper, High density pressboard, molded parts, electric polyester film, DMD, NMN, Nomex paper, and other insulation materials. In addition, the center also supplies Lignostone densified wood, rods and nuts; Buchholz relays, pressure relief valves, oil level indicatiors, breathers, and butterfly valves; off load tap changers; oil temperature and winding temperature indicators; neutral earthing resistors, earthing transformers, CT, and insulators; transformer manufacturing machines.
