特力A：业务涉及黄金产品销售

Group 1 - The core viewpoint of the article is that the company, Teli A, has confirmed its involvement in the sale of gold products and encourages investors to pay attention to its regular reports for more details [2] Group 2 - The company responded to investor inquiries on its interactive platform, indicating its business activities related to gold products [2] - The company emphasizes the importance of its periodic reports for comprehensive information regarding its operations [2]