浩通科技：贵金属回收业务的主要产品包括铂、钯、铑、银等

Group 1 - The core viewpoint of the article is that Haotong Technology (301026) has clarified its main products in the precious metal recycling business, which include platinum, palladium, rhodium, and silver, while gold constitutes a smaller proportion [1] Group 2 - The company engages in the recycling of precious metals, indicating a focus on valuable materials in its operations [1] - The interaction with investors highlights the company's transparency regarding its product offerings and business focus [1] - The mention of specific metals suggests a strategic emphasis on high-demand precious metals in the market [1]