Suzhou Kangjie Medical Co., Ltd., founded in 1998, has a history of 20 years. It is a high-tech enterprise specializing in the research, development, production and sales of ophthalmic optometry digital equipment. In 2005, Lanling brand was founded, and its products have won the honors of "high quality brand of Jiangsu Province" and "famous brand of Jiangsu Province". In 2011, the share reform was completed, and offices were successively set up in China, and after-sales services were all over the country. In 2014, the company was officially listed on the new third board (Stock Code: 430521), becoming the first listed company in the field of optometry in China. By 2018, the company has obtained 31 independent R & D patents, including 8 invention patents. The company has passed ISO13485 and ISO9001 quality system certification, and its products have obtained CE, FDA and other certificates.