Jovean&Rogy Electrical is the specialized manufacture of modular electric terminal devices for household and similar installations.The wide range under our manufacturing covers Miniature Circuit Breaker,Residual Current Circuit Breaker,Residual Current Circuit Breaker with Overcurrent Protection,Switch-disconnector，distribution box etc.In China,the company takes the reputation as the larget manufacturer of electro-magnetic type RCCB and RCBO.OEM or ODM projects are fully accepted,and currency the company is co-operating with numbers of renowed international corporations for such projects. J&R Electrical is an expert in developing and manufacturing residual current relays.Equipped with large super-depurated workshop and high precise manufacturing and testing facilities,it has the large production capacity of the relays in China. J&R Electrical is well equipped with testing apparatus to guarantee effective and sufficient quality control.Critical tests are able to be performed.Such tests include electro-mechanical, temperature rising,overcurrent characteristics,residual current operation,powe frequency withstand voltage,resistance to abnormal humidity and heating,resistance to mechanical impact and vibration and electric shock protection test etc. J&R Electrical was accredited ISO9002:1994by TUV in1999, while it acquired ISO9001:2000 in year 2002.All the manufacturing products of J&R Electrical have been tested and approved by recognized certification bodies both at home and abroad. J&R Electrical has manufacturing facilities both in Wenzhou and Shanghai with more than 1000 staff,among which 168 are engineers or technicians.In the past 5 years,it has achieved 30% as an average yearly growth rate and such growth rate is confidently expected in the future. jinlejuan sales manager http://www.jr-china.com email:jinrogy@163.com msn:jinlejuan@hotmail.com skype:jinlejuan office tel:+86-13757788000 ext.505 mobile:+86-15867770370