Group 1 - The polyester market is experiencing price fluctuations and promotional activities, with factories implementing price cuts and production reductions to alleviate inventory pressure [1][3][5] - From January to May 2023, the polyester market faced high volatility due to weak demand and macroeconomic disturbances, leading to a generally weak market environment [2][3] - Major polyester companies are reducing production to manage inventory levels, with some firms having already implemented multiple rounds of production cuts [3][5] Group 2 - The polyester industry is seeing a shift towards high-value products as leading companies seek to enhance profitability and resilience against risks [3][4][6] - The market is expected to continue experiencing high volatility in the second half of 2023, influenced by macroeconomic pressures and changes in supply-demand dynamics [5][6] - The industry faces significant challenges, necessitating collaboration among government, industry associations, and enterprises to explore new development opportunities for sustainable growth [6]