Create Advantages in Magnet Applications Permanent magnets are used in electric motors, generators, cars, smartphones, headphones, speakers, magnetic separators, sensors, consumer goods etc. The most common application of a permanent magnet is the magnetic force to attract other ferromagnetic items. Tengye - Professional Custom Magnet Manufacturer Tengye - Professional Custom Magnet Manufacturer Founded in 2014, we came into existence as a small trading company in the custom magnet industry. Our mission is integrated into the company name - Tengye, which means helping customers succeed.