Shanghai Yongji Electrical Holding Co.,LTD., which specializes in manufacturing series of breakers,The main products in our company are Miniature Circuit Breaker?Residual Current Circuit Breaker?isolator. It consists of 9 series of products with over 60 types. Our products apply into high end of market in the world. With the safe product certificate of EU-CE, Sweden S, Finland F1, Poland B, Argentina IRAM&CB and the certificate of China CCC, ISO9001 International Quality Management System, the qualification of products reaches advanced world level, and the quality is accepted by high end of market. Meanwhile, we have our own intellectual rights for breakers and leakage breakers and have advanced testing and assembly equipment and exquisite manufacture techniques.