Some investors asked Tiantong Co., Ltd. As an upstream core material supplier in the DCI amplifier industry chain, which category of products such as high-frequency low-loss soft magnetic materials, lithium niobate crystal materials, and sapphire materials currently provides DCI amplifiers with the largest shipment volume and accounts for the highest revenue share? Can you explain in detail the company's layout in the DCI amplifier industry chain? On October 9, the company answered that the thin-film lithium niobate produced by the company has the characteristics of large bandwidth, low loss, and low power consumption, and can be applied to DCI coherent optical module products.

Some investors asked Tiantong Co., Ltd. As an upstream core material supplier in the DCI amplifier industry chain, which category of products such as high-frequency low-loss soft magnetic materials, lithium niobate crystal materials, and sapphire materials currently provides DCI amplifiers with the largest shipment volume and accounts for the highest revenue share? Can you explain in detail the company's layout in the DCI amplifier industry chain? On October 9, the company answered that the thin-film lithium niobate produced by the company has the characteristics of large bandwidth, low loss, and low power consumption, and can be applied to DCI coherent optical module products.