变速箱电磁阀系列 2018年变速箱电磁阀产品研发成功，2019年获取了长城东安三菱项目定点，2020年实现产品SOP量产。 In 2018, the research and development of transmission solenoid valve products was successful. In 2019, it won the fixed point of Great Wall Dong'an Mitsubishi project, and in 2020, it will realize the SOP mass production of products.