Chinese PP Faces Weaker Edge in Southeast Asia as Supply Tightens and Freight Costs Rise

Chinese homo-PP has lost much of its earlier price advantage in Southeast Asia as tighter domestic availability, higher production costs and increasing freight rates have pushed exporters to raise offers. Some Chinese cargoes are now priced above Middle Eastern material, marking a significant change from earlier this year, when competitively priced Chinese shipments frequently undercut other origins and limited regional price increases.

The shift reflects changing market conditions in China, where rising domestic PP prices, tighter availability and higher intra-Asia freight costs are reducing exporters’ ability to compete aggressively. Sellers are increasingly focused on maintaining firmer price levels, even as regional demand remains weak and sales volumes are limited.

Chinese Offers Lead Southeast Asia’s Latest PP Price Increase

After remaining relatively stable toward the end of August, Southeast Asian import PP prices began moving higher again in early September. Sellers raised offers amid stronger crude futures and continued increases in spot propylene prices.

Chinese material was at the center of the latest increase. Tighter domestic availability in China, combined with logistical disruptions, has reduced suppliers’ flexibility to offer competitively. However, weak demand continues to limit the impact of these bullish factors, with buyers restricting purchases because of elevated prices.

For the week ending September 4, Middle Eastern offers were largely unchanged, while ASEAN-origin material increased by $20–50/ton from the previous week. Chinese offers recorded sharper gains of up to $60/ton, with the upper end moving above $1,300/ton CIF Southeast Asia, cash, reaching $1,320/ton.

Chinese material carried only a marginal $5/ton discount to ASEAN-origin material on a weekly-average basis. More significantly, the average price of Chinese material was around $10/ton higher than Middle Eastern offers, showing how much China's previous price advantage has narrowed.

The increase in Southeast Asia coincided with stronger Chinese domestic and export markets for homo-PP raffia and injection grades. Higher costs, strong Dalian futures and tighter availability supported domestic prices, which increased by CNY 300–450/ton ($45–67/ton) during the week.

Chinese export prices also rose by $10–30/ton for the third consecutive week, reinforcing sellers’ firmer pricing strategy toward nearby Southeast Asian markets.

Actual transactions also reflected the stronger stance. A Chinese homo-PP raffia cargo was reportedly sold in Vietnam at $1,200/ton CIF, cash, matching prevailing Middle Eastern offer levels. However, transactions remained limited, indicating that higher seller price ideas have yet to translate into stronger sales because of weak demand and buyer resistance to elevated prices.

Tighter Chinese Supply Supports Seller Confidence

The increase in Chinese offers is closely linked to tighter domestic availability. Traders said feedstock supply has become more constrained while domestic inventories remain low. Delayed restarts following earlier maintenance and a significant number of new turnarounds in South China have further restricted PP availability.

A local producer source said supply remains particularly tight for raffia, fiber and PPBC grades, even though the overall PP operating rate has increased to around 70%.

Several Chinese plants are expected to restart, but near-term supply remains constrained. More than 1.4 million tons of PP capacity is scheduled to be offline during September, compared with around 199,000 tons of currently scheduled capacity losses in October. The unusually high level of September outages is therefore limiting immediate availability despite expectations of improved supply later.

Southeast Asian buyers have also identified China's tight supply as a key factor behind the recent price increase. A Vietnamese trader said prices rose significantly after the holiday because of China's limited supply, although buyers continue to purchase mainly according to immediate requirements because current prices are considered too high and underlying demand remains weak.

Port Disruptions and Higher Freight Add to the Supply Pressure

Logistical difficulties have further complicated the movement of Chinese PP into Southeast Asia. Major container ports, particularly Shanghai and Ningbo, have continued to face congestion and delays following the impact of multiple typhoons in China.

Typhoon Saudel made its third landfall along Fujian province on September 3, creating additional disruptions to vessel schedules and cargo movements along China's eastern coast.

These logistical problems have increased freight costs while simultaneously restricting the flow of Chinese PP into Southeast Asian markets. With China being a major source of PP for the region, prolonged shipping disruptions can have a significant effect on regional availability.

The combination of tighter vessel availability, higher freight rates and restricted Chinese supply has therefore strengthened exporters’ ability to defend higher offers.

Can Chinese PP Sellers Maintain Higher Prices?

The sustainability of China's firmer pricing strategy in Southeast Asia remains uncertain. Tight domestic availability, elevated freight costs and strong upstream values are providing sellers with support, while China's major role in the regional homo-PP supply chain gives exporters additional leverage.

China has remained the largest homo-PP supplier to Southeast Asia since 2024. During the first seven months of 2026, Chinese homo-PP shipments to the region exceeded 800,000 tons, equivalent to nearly 90% of China's total shipments to Southeast Asia during full-year 2025.

This volume was significantly higher than shipments from Saudi Arabia at around 183,000 tons and South Korea at approximately 138,000 tons, highlighting China's important role in meeting Southeast Asian homo-PP demand.

However, buyers remain unwilling to chase higher prices and continue purchasing primarily for immediate requirements because of weak end-user demand. This has widened the gap between sellers’ price expectations and buyers’ willingness to pay.

Chinese suppliers may continue testing higher price levels in the short term, but the ability to sustain further increases and complete deals will ultimately depend on whether tight supply and logistical constraints remain strong enough to outweigh persistent demand weakness.

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