Group 1 - The core viewpoint of the article is that Guojian Group's Qingdao Jingcheng Co., Ltd. is currently operating normally and is primarily engaged in environmental testing services [2] Group 2 - Guojian Group responded to investor inquiries on an interactive platform, confirming the normal operation of its subsidiary [2] - The company focuses on the environmental testing business, indicating its role in the industry [2]