On May 27, 2026, Wuhan Changjin Photonics Technology Co., Ltd. (Stock Abbreviation: Changjin Photonics, Stock Code: 688635.SH) successfully listed on the Sci-Tech Innovation Board (STAR Market) of the Shanghai Stock Exchange. Serving as the issuer's legal counsel, Llinks Law Offices worked in sincere cooperation with the company, its management team, and various securities service institutions to jointly facilitate this initial public offering and listing.
Founded in July 2012, Changjin Photonics is a leading enterprise in the domestic special optical fiber industry. The company holds a dominant position in the domestic rare-earth-doped fiber market and serves as a core supplier to leading domestic manufacturers of lasers and optical communication components, while gradually becoming an important supplier to clients in other strategic emerging industries. In the field of advanced manufacturing, the company has established a product matrix of ytterbium-doped fibers covering low, medium, high, and ultra-high power, achieving mass production and sales of ytterbium-doped fibers that counteract US export controls, as well as high-power ytterbium-doped fibers of 6kW and above. In the optical communication sector, the performance of the company's ultra-broadband L-band erbium-doped fiber has reached international advanced levels, assisting China's 400G optical transmission network in achieving large-scale commercial deployment. In the fields of national defense, military industry, and measurement sensing, the company is one of the few domestic special optical fiber manufacturers to achieve mass production and sales of polarization-maintaining ytterbium-doped fibers and erbium-ytterbium co-doped fibers.
Since the inception of the STAR Market, Llinks has consistently leveraged its professional service advantages to successfully assist numerous outstanding tech enterprises in expanding their innovative development through the capital markets. The pioneering projects handled by Llinks include: Suzhou HYC Technology, the very first company listed on the STAR Market; Chipscreen Biosciences, the first enterprise to pass the review of the STAR Market listing committee; Suzhou HYC Technology Asset Restructuring, the first material asset restructuring project on the STAR Market involving the issuance of shares to purchase assets; UCloud, the first enterprise with a dual-class share structure to list on the STAR Market, acting as underwriter's legal counsel; Shanghai Electric Wind Power Group, the first spin-off listing of a state-owned enterprise from the A-share market to the STAR Market; United Imaging Healthcare, the largest IPO by funds raised on the STAR Market in 2022; Hua Hong Semiconductor, the largest IPO project by fundraising scale on the STAR Market in 2023…… Having the privilege to serve as the issuer's legal counsel and assist domestic leading special optical fiber manufacturer Changjin Photonics in listing on the STAR Market marks another milestone project for Llinks, embodying our pioneering spirit and active commitment to innovation-driven development strategies. We sincerely wish Changjin Photonics continuous leadership in the industry with the support of the STAR Market platform and capital markets—achieving great progress and endless growth!
