Hangzhou Toka Ink Co., Ltd. (688571.SS) engages in the research, development, production and sales of energy-saving and environmentally friendly ink products, digital materials and functional materials; the company provides complete ink-related products and printing solutions to the printing industry in China. Founded in 1988 and headquartered at No. 2, the 5th Avenue (South), Baiyang Jie Dao, Hangzhou Economic & Technological Development Area, China, it offers UV ink series for printing on paper, paper-plastic composite film, metal cardboard and plastic sheet; offset printing ink series for publications such as children's books and high environmental quality requirements; liquid ink series for plastic films, composite films and paper-plastic materials; digital inkjet printing inks for paper, plastic, film, fiber and giant light box advertisements; functional materials including overcoat varnish, matte oil and conductive water-based inks for specific heating materials; and other chemical products such as rosin and turpentine. Operating primarily in the domestic Chinese market within the specialty chemicals sector, the company holds nearly 20 invention patents, the first printing technology research lab and a leading national CNAS-certified analysis and testing center in the printing ink industry; it has presided over or participated in drafting more than 50 state and industrial standards related to ink products and maintains a nearly debt-free balance sheet with significant cash reserves supporting R&D investment. Recent developments include an agreement to acquire a 60% stake in Zhejiang Dike Donghua Fine Chemical Co., Ltd. from T&K Toka Co., Ltd. for CNY 18 million to expand its chemical capabilities; and in August 2025, a group of buyers acquired a 3% stake from T&K Toka Co., Ltd. for CNY 89 million, reflecting ongoing shifts in shareholder structure.