Multiple Chinese Rock Wool & Glass Wool Manufacturers Announce Price Hikes
Driven by rising costs of raw materials including basalt, coke, resin and glass feedstock, several domestic Chinese manufacturers of rockwool and glass‑wool insulation have issued official price adjustment notices to lift ex‑factory prices during July‑August 2026.
Shaanxi Heli Insulation Materials: Rockwool products +CNY 100/ton, effective Aug 26, 2026
Taishi Energy‑Saving Materials: Nationwide rockwool products +CNY 60/ton, effective Sep 1, 2026
Nanjing Hengxiang Insulation Materials: Full‑range rockwool products +CNY 150/ton, effective Aug 25, 2026
Shandong Shenggewei New Energy‑Saving Insulation Materials: Rockwool boards +CNY 50/ton, effective Aug 1, 2026
Hefei Haizhida Ventilation & Insulation Materials: Rockwool boards +CNY 80/ton, effective Aug 26, 2026
Huamei Energy‑Saving Technology (Glass Wool Division): General price increase for glass‑wool insulation materials, effective Aug 22, 2026
Above information is sourced from publicly released official price‑adjustment documents from respective producers. Further price updates will be followed.






