Core Viewpoint - TianTong Holdings Co., Ltd. has faced significant revenue and profit declines from 2022 to 2024, primarily due to intense competition in the sapphire materials market, impacting its main business profitability [1]. Financial Performance - The company reported revenues of 4.508 billion yuan in 2022, with a continuous decline in revenue and net profit over two years, with a notable drop in profit margins [1]. - Revenue from sapphire crystal materials decreased by 13.63% in 2023 and by 4.67% in 2024, with gross profit margins dropping by 26.66 and 7.5 percentage points respectively [1]. Customer and Supplier Relationships - The company is required to disclose details about its top ten customers and suppliers over the past three years, including transaction amounts, cooperation duration, and any significant changes [2][3]. - The company must clarify whether there are any related party transactions with these customers and suppliers, providing detailed explanations of the transaction backgrounds and pricing rationality [2]. Market Dynamics - The sapphire materials business has seen a significant impact from industry supply and demand changes, competitive landscape shifts, and variations in customer structure, which have contributed to the decline in revenue and gross profit margins [2][3]. - The company is expected to provide insights into the production and sales conditions of its main products, cost structures, and raw material price fluctuations over the past three years [2].