Hydrofluoric Acid, Fluorosilicic Acid, Ammonium Bifluoride manufacturer / supplier in China, offering Industrial Grade Fluorosilicic Acid: Textile Mordant & Surface Passivation, High-Purity 70% Hydrofluoric Acid for Glass Etching & Semiconductor Cleaning, Reagent Grade Hydrofluoric Acid for Laboratory & Analytical Applications and so on.