聚和材料：铜浆业务目前还在小批量验证中

Core Viewpoint - The company is currently in the small-batch verification stage for its second-generation copper paste products and will disclose further information once it meets relevant disclosure standards [1] Group 1 - The company was asked about the yield rate of its second-generation copper paste products and the timeline for large-scale production [1] - The company indicated that it will fulfill its information disclosure obligations in a timely manner as business progresses [1]