Group 1 - The Tianjin Beichen District Market Supervision Administration released the results of the 2024 quality supervision sampling inspection for key industrial products, revealing that out of 52 batches tested, 43 were qualified while 9 were unqualified [3][4][5] Group 2 - The unqualified products included portable butane gas stoves, LED ceiling lights, and household gas stoves, with specific companies and addresses listed for each non-compliant item [4][5] - The inspection covered seven types of products, including lighting fixtures, electronic door locks, and portable gas stoves, indicating a focus on consumer safety and product quality in the region [3][4]