Tianjin Jinqida International Trading Co., Ltd. is the subordinate international trading company of Tianjin Optical & Electrical Group Co., Ltd (TOEC). TOEC has been developing and manufacturing ferrite cores for more than 40 years. Through purchasing the key pivotal manufacturing equipment and testing system from abroad in 1980s, TOEC could produce 600T ferrite cores per year. Our company has been the largest manufacturing base of magnetic material in North of China.

In 1998,TOEC has certified for IS9002 CERTIFICATION. Due to adopting the advanced producing process and reliable quality control system, TOEC ferrite cores are applied extensively in many electronic equipment instruments including communication, automation, household appliances, electric power, etc. With good reputation and service, part of products has entered into the international market. Now TOEC has been the eligible supplier for many famous enterprises in the world, such as NEC Corporation, Mitsubishi Electric Corporation, A/D Electronic Inc, and so on.