Group 1 - The company 德石股份 announced on November 3 that it has obtained a patent certificate from the National Intellectual Property Administration for an invention titled "A Communication Wire Drill Rod" [1] - This patent acquisition indicates the company's ongoing commitment to innovation and development in the field of oil technology [1] Group 2 - The news highlights the broader context of challenges faced by the U.S. government, including a potential shutdown that could impact food security for 42 million people [1] - This situation may indirectly affect industries reliant on government contracts and funding, emphasizing the interconnectedness of economic factors [1]