May 18 News – On May 18, Guizhou Tianfu raised its dimethyl ether ex-works price by 100 yuan/ton to 4,500 yuan/ton. Sales remain stable, with actual transactions subject to negotiation. Chempricehub assessed dimethyl ether with a bullish-bearish score: 1. Guizhou Tianfu’s price increase on May 18 provides positive support for spot dimethyl ether prices, benefiting the spot price trend.