市值风云·2026-02-14 10:09Group 1 - The core viewpoint of the article highlights the significant performance of six leading companies in the chemical fiber industry, with stock prices increasing by over 30% since mid-December 2025 [3][4] - The six leading companies include Tongkun Co., Ltd. (601233.SH), Hengyi Petrochemical (000703.SZ), Dongfang Shenghong (000301.SZ), Hengli Petrochemical (600346.SH), Rongsheng Petrochemical (002493.SZ), and Xin Fengming (603225.SH) [3] - The article notes that the performance of the chemical fiber industry, particularly polyester filament, has shown significant differentiation over the past five years, with ordinary polyester industrial yarn experiencing the most price volatility [4][6] Group 2 - Among the six leading companies, Hengli Petrochemical achieved a net profit of 15.5 billion in 2021, while in the downturn of 2024, Dongfang Shenghong reported a loss of nearly 2.3 billion [6]