The adjustment of transit rules in the Strait of Hormuz is triggering ripple effects across the global energy logistics chain, and the textile chemical fiber industry, as a sensitive downstream user of crude oil, will be the first to perceive fluctuations in raw material costs. On August 5, Iran and Oman reached a preliminary agreement on commercial vessel transit, closing the traditional dual-lane system and rerouting ships through a new temporary route in Iranian territorial waters. Following the news, international crude oil fell for a third consecutive session, with Brent dropping below $80 per barrel and WTI at $75.22. Meanwhile, transit efficiency rose by 30%, and crude freight rates plunged 22% in a single week. Behind these figures lies a rapid unwinding of geopolitical risk premiums, but far from a complete repair of supply patterns.
Background
The core of this adjustment is the switch from a dual-lane system used for over 60 years to a new temporary route. Previously, tankers, LNG carriers, and chemical ships maintained stable scheduling in fixed lanes; now, transit procedures, reporting cycles, and inspection mechanisms are all being updated, forcing shipping companies to adapt. According to regional maritime service providers, detailed rules for the new route are still under negotiation, covering 72-hour advance online reporting, onboard verification, and tiered transit service fees. This means that even after the agreement is formally signed, full normalization of transit will take time.
Currently, daily commercial vessel transits are far below normal levels. Under normal conditions, the strait sees 130-140 vessels daily, carrying nearly 30% of global seaborne crude oil and 20% of LNG exports; recently, daily transits have not exceeded 60 vessels, with many tankers rerouting via the Cape of Good Hope, extending voyage times and raising logistics costs across the chain. This “limited recovery” indicates that the physical bottleneck in global energy transport has not truly been resolved.
Industry Impact
For the textile chemical fiber industry, lower oil prices directly reduce petrochemical feedstock costs for PTA, ethylene glycol, and polyester chips, theoretically providing room for profit recovery. However, one must be cautious—this benefit may be only “paper wealth.” On one hand, uncertainties remain regarding strait transit; a large-scale return of tankers has yet to materialize, and Middle East crude export supply cannot quickly recover, keeping supply-demand fundamentals tight. On the other hand, persistent risks in the Red Sea route mean both major energy chokepoints are under pressure, creating a structural gap in seaborne crude supply.
In the spot market, Middle East crude premiums have weakened, and Asian refiners have turned cautious, with some postponing medium-term purchases and increasing shares of American and Russian crude. This shift in procurement rhythm will indirectly affect the regional supply pattern of petrochemical products. For downstream textile enterprises, the temporary decline in feedstock costs may offer a brief restocking window, but excessive inventory building is unwise—geopolitical risks could resurface at any time, and the likelihood of an oil price rebound cannot be ignored.