Core Viewpoint - The article discusses the recent fluctuations in plastic futures due to geopolitical tensions in the Middle East and rising international oil prices, while clarifying that the supply situation in the Dongguan Zhangmutou plastic market is stable despite temporary congestion [1]. Group 1: Market Conditions - The Dongguan Zhangmutou plastic market experienced significant traffic congestion, leading to speculation about "tight supply" and "supply interruption" [1]. - The congestion was primarily caused by a sudden change in market expectations, leading to concentrated procurement, compounded by consecutive rainy days that increased local warehousing and logistics pressure [1]. - As of March 5, local logistics have fully resumed smooth operations, alleviating the congestion issues [1]. Group 2: Supply Sources - The supply of plastic raw materials in Dongguan and the Pearl River Delta is diverse, primarily sourced from domestic markets, Southeast Asia, and non-Iranian regions of the Middle East [1]. - The proportion of Iranian supply is relatively low, indicating that the current geopolitical situation has not caused a substantial disruption in local plastic raw material supply [1]. - Only a few specific grades of materials have experienced slight disturbances, but the overall supply foundation remains solid [1].