中触媒(688267.SH)：目前公司高纯石英砂中试正在进行中

Core Viewpoint - The company is currently conducting pilot tests for high-purity quartz sand, achieving a purity level greater than 5N, with plans for future production announcements [1] Group 1 - The pilot testing phase for high-purity quartz sand is ongoing [1] - The achieved purity level is greater than 5N [1] - Customer validation has not yet been conducted [1] Group 2 - The company plans to announce production timelines in future communications [1]