LUOYANG, China, Oct. 20, 2025 (GLOBE NEWSWIRE) -- TRUNNANO, a leading global nanomaterials manufacturer, officially announced that its R&D team has achieved a breakthrough in the preparation technology of spherical silica SiO2 powder, successfully launching a new generation of high-performance spherical silica SiO2 powder. This marks a technological leap for TRUNNANO in the field of fine chemicals and will provide superior material solutions for multiple key industries worldwide. Spherical silica SiO2, a fu ...