纯苯苯乙烯日报：纯苯及苯乙烯港口库存同时回落-20250812

Report Industry Investment Rating - No relevant information provided Core View - Pure benzene port inventory has decreased again due to a slowdown in Chinese arrivals and upcoming Korean aromatics maintenance in August - September, with limited subsequent inventory accumulation but still existing inventory pressure. For styrene, port inventory has entered a seasonal decline cycle, but downstream demand improvement is limited [3] Summary by Directory 1. Basis Structure and Inter - Period Spreads of Pure Benzene and EB - Pure benzene: The main basis is - 115 yuan/ton (- 26), and the spread between East China pure benzene spot and M2 is 0 yuan/ton (+ 5). Near - month BZ paper cargo - distal BZ2603 spread and BZ2603 - BZ2605 inter - period spread are recommended for reverse arbitrage when high [1][4] - Styrene: The main basis is 55 yuan/ton (- 5), and the EB2509 - 2510 inter - period spread is recommended for reverse arbitrage when high [1][4] 2. Production Profits and Internal - External Spreads of Pure Benzene and Styrene - Pure benzene: CFR China processing fee is 177 dollars/ton (- 3), FOB Korea processing fee is 163 dollars/ton (- 4), and the US - Korea spread is 83.8 dollars/ton (+ 4) [1] - Styrene: Non - integrated production profit is - 306 yuan/ton (+ 8), expected to gradually compress, and the EB - BZ spread is recommended to be shorted when high [1][4] 3. Inventory and Operating Rates of Pure Benzene and Styrene - Pure benzene: Port inventory is 14.60 tons (- 1.70), and the operating rate is not provided in the given text [1] - Styrene: East China port inventory is 148,800 tons (- 10,200), East China commercial inventory is 69,500 tons (+ 3,000), and the operating rate is 77.7% (- 1.2) [1] 4. Operating Rates and Production Profits of Styrene Downstream - EPS: Production profit is 218 yuan/ton (- 10), and the operating rate is 43.67% (- 10.58) - PS: Production profit is - 52 yuan/ton (- 30), and the operating rate is 55.00% (+ 1.70) - ABS: Production profit is 100 yuan/ton (- 23), and the operating rate is 71.10% (+ 5.20) [2] 5. Operating Rates and Production Profits of Pure Benzene Downstream - Caprolactam: Production profit is - 1715 yuan/ton (- 25), and the operating rate is 88.41% (- 1.79) - Phenol - acetone: Production profit is - 672 yuan/ton (+ 0), and the operating rate is 77.00% (+ 4.00) - Aniline: Production profit is 101 yuan/ton (+ 261), and the operating rate is 73.46% (- 0.48) - Adipic acid: Production profit is - 1504 yuan/ton (+ 0), and the operating rate is 54.40% (- 10.40) [1]