The report is divided into 2 parts. 

1. Starting from the fundamentals, analyze the current development status of the BOPA market, focusing on the new capacity additions, changes in export markets, and the concentration of capacity among market enterprises. Provide a detailed explanation of the new capacity addition pathways for BOPA from 2023 to 2026, as well as the market share proportions of representative companies (Xiamen Changsu, Cangzhou Donghong, and Yuncheng Plastic).

2. BOPA is currently facing challenges such as the impact of stepwise film capacity expansion, slowing demand growth, and compressed processing spread. However, the continuous expansion of national prepared food companies provides support for the development of the BOPA market on the demand side.