Price Trends

In September, the price of ethylene glycol decreased, with the average price of oil-based ethylene glycol in China falling from 4,485 CNY/ton to 4,390 CNY/ton.

• Ethylene glycol prices
• restocking demand
• inventory increase

On September 15, the cyclohexane market price was largely stable with minor fluctuations, with prices in Shandong region ranging from 5430 to 5500 CNY/ton.

This week, the soda ash market in China showed a slight downward trend, with the average price of light soda ash on September 28 being 1186 CNY/ton, a decrease of 017% from September 22.

• Soda ash market
• price trend
• inventory change

In September, the Chinese phenol market first rose and then fell. At the beginning of the month, the price in East China rose from 6800 CNY/ton to over 7000 CNY/ton by mid-month.

• Phenol market
• market price fluctuation
• supply shortage

From September 1 to 29, the average price of methanol in the East China port market rose slightly from 2,253 CNY/ton to 2,260 CNY/ton, with a price increase of 030%, down 1026% year-on-year.

• Methanol Market
• Futures Prices
• Spot Price
• Supply-Demand Dynamics

In September, the price of soda ash in China continued to fall, with the average market price of light soda ash decreasing from 1210 CNY/ton to 1182 CNY/ton, a price decrease of 231%.

• Soda ash prices have fallen
• market supply and demand analysis
• glass market prices have risen

In September, the prices of gasoline and diesel from Shandong independent refineries mainly fluctuated, with the price of 92# gasoline declining by 048% and the price of 0# diesel increasing by 141%.

• Diesel and gasoline prices at local refineries
• volatile crude oil markets
• rising supply of refined petroleum products

In September, the Chinese MTBE market showed strong fluctuations, with prices rising from 5007 CNY/ton to 5050 CNY/ton, a price increase of 0.85%.

This week, China's maleic anhydride market experienced a slight decline As of September 28, the average market price for maleic anhydride produced via the n-butane oxidation method stood at 5,48750 CNY per ton, down 244% from September 22 On the supply side, pre-holiday inventory clearance efforts by manufacturers provided limited support to the market; meanwhile, downstream unsaturated resins buyers remained cautious, with limited procurement activity and subdued restocking sentiment

• The maleic anhydride market
• price decline
• unsaturated resins
• n-butane market<ref>[1][2]</ref>

In September 2025, the price of polyester bottle chips as a whole showed a weak downward trend.

• Polyester bottle flakes
• market demand
• cost support
• supply pressure

In September, the dichloromethane market in Shandong region faced a severe imbalance between supply and demand, with prices continuously hitting new lows.

• The dichloromethane market
• supply and demand imbalance
• price bottoming out

The cyclohexanone market in 2024 experienced fluctuations and a downward trend, with volatility continuing into 2025.

• Cyclohexanone market
• price fluctuation
• supply and demand impact

• Toluene market
• impact of crude oil prices
• chemical demand

From September 19 to 26, 2025, the price of butadiene decreased from 9,250 CNY/ton to 9,023 CNY/ton, a decrease of 245% Market demand is poor, and the downstream synthetic rubber market shows a weak trend with low purchasing enthusiasm.

In September, the isopropyl alcohol market prices first increased and then decreased, with a slight overall increase.

• Isopropanol price fluctuation

From September 22 to 28, methanol prices at East China ports rose to 2,265 CNY per ton, marking a 0.44% increase over the period, a 0.85% rise compared to the previous week, and an 8.61% decline year-on-year.

• Methanol market
• price fluctuation
• high inventory levels

This week, the price of petcoke from local refineries in Shandong market increased by 1.09% compared to last week.

• The price of petroleum coke has risen
• prebaked anode cost support
• the demand for electrolytic aluminum has increased

In September 2025, China's chemical coke market operated strongly, with some coking enterprises raising prices, but overall demand was average, and stockpiling was nearing its end.

• Coke prices
• market demand
• chemical coke

This week, the fuel oil 180CST market in East China saw a slight overall increase, with the average price reaching 5,475.00 CNY per ton as of September 28—up 0.69% from September 22.

• Fuel oil 180 CST
• prices are rising
• international crude oil
• shipping market

In September, the market price of polyester staple fiber in China first fell and then rose, with the average market price reaching 6,441 CNY/ton as of September 26.</ref>.

• Polyester staple fiber prices
• market demand
• cost fluctuations