JINN Co., Ltd. is a company that manufactures Vibration Durability Tester. It is manufacturing customized test equipment with Electro-Magnetic Actuators, the main product. Electro-Magnetic Actuators are next-generation actuators that can replace mechanical, hydraulic, and pneumatic actuators that can control high-precision positions, perform tests in high-frequency areas, and do not require separate cooling devices for long-term use. Compared to machinery and hydraulic equipment that were previously imported as domestic products, equipment introduction and maintenance costs are reasonable. JINN has developed suspension module NVH tester, suspension module Noise tester, and air strut static/dynamic characteristics tester with Electro-Magnetic Actuator in collaboration with domestic Automobile company, and  supply various customized test machines to automobile, parts manufacturers, and research institutes, and provide solutions using equipment.