Group 1 - The core viewpoint of the article is that Tianrongxin (002212) has clarified the application of its specialized chips in its own products, including firewalls, network isolation, and VPNs, and these chips are not currently sold externally [1] Group 2 - The company stated that its specialized chips are primarily used in proprietary products such as firewalls, network gateways, and VPNs [1]