Sell. According to the information of Polaris clock, we know that quartz watches are sold in this factory, so we sell quartz watches. From the late 1920s to the early 1930s, Yantai successively set up Yongkang, Li Sheng, Yongye and Ciye clock factories, producing mechanical pendulum clocks of Ports, Yongzi, Shengzi and Yezi brands, and successively developed the first single-bell alarm clock, double-bell alarm clock, 15-day mechanical pendulum clock, hairspring balance wall clock and moon world floor clock in China. It has been sold to major commercial ports in Northeast China, North China, East China, South China and Southwest China, and won awards at the National Domestic Products Exhibition.