As of April 7, 2026, the unsaturated polyester resin used in GPO-3 is in a clear price increase channel, and a new round of price increases was just completed in April.
GPO-3 specific unsaturated polyester resin (price increase situation)
-Mainstream price in March: 11500-12000 yuan/ton (electrical grade/low shrinkage)
-Latest price in April: 12800-13500 yuan/ton
-Monthly increase:+1300 to+1500 yuan/ton ≈+11% to+12%
-Accumulated since the beginning of 2026:+2000 to+2500 yuan/ton ≈+18% to+22%
-Core reason: Raw materials (styrene, maleic anhydride, ethylene glycol) saw a concentrated price increase of+8% to+15% in April
-GPO-3/electrical insulation grade resin is in short supply and orders are fully booked
-Environmental protection production restrictions and low inventory
