新金路：公司石英砂产品根据客户需求不断的进行工艺改进与调试，目前正积极进行市场拓展和下游客户开发

Core Viewpoint - The company is actively expanding its market and developing downstream customers for its quartz sand products, which are undergoing continuous process improvements and adjustments based on customer needs [1]. Group 1 - The company has been asked by investors about the status of its first domestic quartz sand production line and whether it has started bulk supply [1]. - The company confirmed that it is engaged in market expansion and customer development for its quartz sand products [1].