A researcher from Humanwell Healthcare Group Co is seen operating the medical equipment. [Photo/WeChat account of Optics Valley of China]

A group of listed companies in the East Lake High-tech Development Zone (also known as Optics Valley of China, or OVC) recently issued their annual reports over the last year.

In 2022, FiberHome registered 30.92 billion yuan ($4.47) of sales revenue, a year-on-year increase of 17.38 percent. During this period, the company saw sales growth in communication system equipment, optical fibers and cables, and data products.

FiberHome invested about 4.1 billion yuan last year in R&D, accounting for 14.21 percent of its total sales volume.

Now it is constructing nearly 400 major domestic communication lines and boasts two overseas production plants, two overseas research centers, 11 global delivery centers, and 30 representative offices worldwide.

HGTECH achieved 12 billion yuan in sales revenue, up 18.14 percent. It cost the company about 566 million yuan on new technology and product research, a historical record, and higher than the average level in its industry.

Every year, HGTECH recruits at least 200 graduates from renowned universities.

Humanwell Healthcare Group Co reported 22.3 billion yuan in sales. Over the past three years, its three new drugs representing the highest research level in China have entered the market. And now, the company is carrying out 350 research projects.