On September 7th, the market price of acetic anhydride continued to rise. Supported by strong raw materials, downstream buyers followed up on demand as needed, and industry players were highly optimistic about price increases. The price of acetic anhydride in Shandong region was raised by 100 yuan per ton, with the mainstream negotiated price ranging from 5750 to 6150 yuan per ton, and actual orders shall be subject to negotiations.

On September 6, Shandong Hualu-Hengsheng raised the price of acetic anhydride by 100 yuan/ton, with the bulk water price quoted at 6150 yuan/ton. The actual transaction price is mainly based on negotiations. Raw material acetic acid provides strong support, market sentiment is strongly bullish, and the acetic anhydride market continues to rise.

On September 7th, Shandong Hualu Hengsheng raised the price of acetic acid by 100 yuan per ton. The current bulk water price is 3650 yuan per ton. The manufacturer's inventory is not high, the market sentiment is strongly bullish, downstream demand follows as needed, corporate quotations continue to rise, and actual transaction prices are mainly based on negotiations.

On September 7, 2026, the inventory of zinc futures on the Shanghai Futures Exchange was 91,622 tons, a decrease of 3,745 tons from the previous trading day. Among them, the inventory in Shanghai was 8,662 tons, a decrease of 780 tons; the inventory in Guangdong remained unchanged at 17,343 tons; the inventory in Jiangsu remained unchanged at 5,809 tons; the inventory in Zhejiang remained unchanged at 9,733 tons; the inventory in Tianjin was 50,075 tons, a decrease of 2,965 tons.

On September 7th, the domestic FOB Huangpu Port metallic silicon 441# market saw an upward adjustment. The market price reference for 441# at the FOB Huangpu Port area was around 1360~1390 US dollars per ton, with a price increase of 20 US dollars per ton.

On September 4, the closing prices of the methanol external disk market rose: the CFR Southeast Asia methanol market closed at 543.5-544.5 US dollars per ton, an increase of 2 US dollars per ton. The FOB US Gulf methanol market closed at 133-135 US cents per gallon; the European FOB Rotterdam methanol market closed at 404-406 euros per ton, an increase of 5 euros per ton.

In August, the monthly order volume of iron phosphate products of Xingfa Group approached 18,000 tons, and the overall situation showed both price and volume rising; the average production cost per ton of iron phosphate decreased by 5% year-on-year.

The mainstream quotation range of toluene market in Shandong Province is 7800-7850 yuan/ton, up 20 yuan/ton compared with the previous trading day. Recently, the toluene and xylene markets have adjusted narrowly. International crude oil closed higher overnight, domestic spot supply is tight, and market offers are generally firm. Downstream users have a small number of transactions on rigid demand, and the short-term market will remain high and volatile.

Quotation of spot market traders of various grades of PET (polyester chip for water bottles) on September 7, 2026: (Tax included, ex-factory/ex-warehouse self-pickup, September supply)

Wankai: 8300-8410 yuan/ton, factory area;

Sanhxiang: 8230-8350 yuan/ton, factory area;

Dalian Yisheng: 8270-8450 yuan/ton, factory area;

Hainan Yisheng: 8330-8500 yuan/ton;

China Resources: 8430-8480 yuan/ton;

Sinopec Yizheng: 8280-8300 yuan/ton, factory area.

On September 7, the quotations of MTBE manufacturers in Shandong fluctuated: The MTBE quotations of Shandong Chengtai New Materials and Lihuayi Lijin Petrochemical were raised to 7450 yuan/ton. The MTBE quotation of Sinopec Shengdhua was increased by 50 yuan/ton to 7500 yuan/ton. The MTBE quotation of Dongming Qianhai Chemical was reduced by 200 yuan/ton to 7300 yuan/ton for auction. The MTBE quotation of Shandong Shenchi Chemical was raised by 70 yuan/ton to 7453 yuan/ton for auction.

On September 7, the price of cobalt powder (-200 mesh, -300 mesh) in the Shanghai spot market fell. The quoted price was 400-415 yuan per kilogram, with an average price of 407.5 yuan per kilogram, which was 2.5 yuan per kilogram lower than the previous trading day.

On September 7th, the quoted prices of sugar enterprises and distributors in Guangzhou stood at 5190-5250 yuan per ton, which was 10 yuan per ton higher than last week's quoted prices. As of the end of July, Guangxi had sold a total of 5.484 million tons of sugar, a decrease of 12,100 tons compared with the same period last year.

On September 7th, the ex-factory price of melamine from Helitai Technology (formerly Shandong Union) was 6,000 yuan per ton, an increase of 50 yuan per ton compared with the previous quotation day. The production capacity of this plant is 70,000 tons.

On September 7th, the domestic BDOO market fluctuated on the strong side: The BDO market in East China operated on the strong side. In the short term, the supply side still provides support, and goods-holding manufacturers continue to support the market. Downstream contracts follow up, with spot small orders trading at high levels but increasing resistance, leading to the market fluctuating on the strong side. The BDO market in South China is operating firmly. Currently, the supply and demand sides provide relatively strong support, goods-holding manufacturers continue to support the market, and the market center of gravity fluctuates on the strong side. However, downstream resistance to high prices has increased, and trading at high prices is limited.

On September 7th, the overall market of nitric acid saw tight supply in stages. The mainstream negotiated average price of 98% concentrated nitric acid was between 1250-1350 yuan per ton, with the price up by 30 yuan per ton.

On September 7th, the ex-factory price of isobutyraldehyde with an annual capacity of 20,000 tons from Hualu Hengsheng Co., Ltd. was 8,100 yuan per ton, which rose by 100 yuan per ton, and the actual transaction price also increased.