樂(lè)清市潤(rùn)億電子科技有限公司Yueging RunEasy Electronic Technology (brand name :ToPro Technology ), Led by a group ofsavvy engineers and industrial experts with over 20 years technical experience, is a leadingElectricity meter components manufacture in China ,dedicated in R&D, production and supplyCurrent transformers, latching relays, shunts, copper links, meter enclosures. Besides. we alsosupport regular Current transformers, split core current transformers for customers