No overtime from 08: 00 am to 05:00 pm. Suzhou Kang Jie Medical Co., Ltd. was established on 1998, and has a history of 20 years. In 2005, the brand "Lanling" was founded, and the company was officially listed on the New Third Board on 20 14 (stock code: 43052 1), becoming the first listed company in the optometry field in China.