We introduce ourselves now, we are Huangshan Safety Electric Technology Co.,Ltd,we are the specialized factory of CIRCUIT BREAKER , (MCB,MCCB,RCD,RCBO,RCCB CONTACTOR and other electric items Our factory was established in 1996 year and now have 20,000 square meters ,at present ,we have , TUV ,CB ,UC,CE ,ISO9001, ETC Certificate and testing reports and offer OEM service ,we have our good R&D team ,so we can design and produce the products as per your requirement .