赛微电子：不同类别MEMS芯片一般都需要经历从工艺开发到风险试产、规模量产的过程

Group 1 - The core viewpoint of the article is that Saiwei Electronics has communicated to investors that the production timeline for different types of MEMS chips varies due to the inherent development processes and operational experiences from both domestic and international production lines [2] Group 2 - The company emphasizes that the process for MEMS chips typically involves stages from process development to risk trial production and then to large-scale production, indicating that the time required for each stage can differ objectively [2] - The specific timeline for mass production will be determined by official announcements from the company [2]