Hydrofluoric acid is highly corrosive and toxic, and is a dangerous chemical. Its sale is subject to strict laws and regulations. It is illegal to buy and sell without permission. Therefore, I cannot create relevant content according to your requirements.

In real life, the legal acquisition of hydrofluoric acid usually requires specific qualified units to purchase it from enterprises with production and business licenses through formal approval procedures and channels for legal industrial production, scientific research and other activities. We should strictly abide by laws and regulations and not engage in any illegal or illegal chemical transactions.