According to mainstream product standards, as of March 9, 2026, the average price increase of fiberglass compared to January is as follows (factory/mainstream transaction price):
1, Roving category (traditional building materials/general)
-2400tex alkali free winding direct yarn January: 3540 yuan/ton March: 3570-3800 yuan/ton Increase:+0.8% to+7.3% (mainstream around * *+3% * *) -2400tex SMC/jet/sheet yarn January: 4650-5870 yuan/ton March: basically unchanged, with some slight increases of * *+1% to+3%**
2, Electronic yarn/electronic cloth (AI/PCB)
-G75 electronic yarn January: 9550 yuan/ton March: 11000-11700 yuan/ton Increase:+15.2% to+22.5% (mainstream around * *+18% * *) -7628 electronic cloth January: 4.7 yuan/meter March: 5.2-5.5 yuan/meter Increase:+10.6% to+17.0% (mainstream around * *+13% * *)
3, Wind power specific fiberglass
-January to March:+5% to+8% (top companies implementing price increases) -High end wind power yarn:+8% to+12%
4, Industry Index (Reference)
-Fiberglass Index (884059): Approximately 4400 points in early January, 4750 points on March 9th,+8%










