聚灿光电(300708.SZ)：公司的废料回收业务主要为黄金废料回收

Core Viewpoint - The company focuses on the recovery of gold waste as part of its business operations, specifically related to its LED chip production process [1] Group 1: Business Operations - The company's waste recovery business primarily involves the recycling of gold waste [1] - Gold is used as a conductive material in the production process of LED chips [1] - After usage, a small portion of high-purity granular gold is vaporized onto circuits, while the majority forms recoverable gold waste mixed with other production materials [1] Group 2: Market Interaction - The company references gold market prices when delivering the recoverable gold waste to specialized gold recovery firms for processing [1]