Do I need compensation for using products that infringe patent rights?

Not long after the opening of a shopping mall, it was informed by the court that it was the fire shutter door used in the shopping mall. Company A is a manufacturer of fire shutter. Applied for the invention patent of fire shutter manufacturing technology and obtained approval. Company A thinks that the manufacturing technology of fire shutter used in the shopping mall uses the patented technology of Company A, which infringes its invention patent right, so it takes the shopping mall to court and demands compensation. People here in the mall expressed surprise: the fire shutter was bought in the mall. If it is an infringing product, the plaintiff should seek compensation from the manufacturer of the product, not the buyer. Is this view correct? Will users compensate? Article 70 of the Patent Law stipulates that anyone who uses, promises to sell or sells an infringing patented product for the purpose of production and operation without knowing that it was manufactured and sold without the permission of the patentee shall not be liable for compensation. Therefore, as long as users can prove that the products they use are legally purchased, they do not need to bear the liability for compensation.