非金属材料板块12月22日涨1.69%，联瑞新材领涨，主力资金净流入3500.9万元

Group 1 - The non-metal materials sector increased by 1.69% compared to the previous trading day, with Lianrui New Materials leading the gains [1] - The Shanghai Composite Index closed at 3917.36, up by 0.69%, while the Shenzhen Component Index closed at 13332.73, up by 1.47% [1] - A table detailing the individual stock performance within the non-metal materials sector was provided [1] Group 2 - The net inflow of main funds into the non-metal materials sector was 35.09 million yuan, while retail funds saw a net inflow of 0.4765 million yuan [2] - The net outflow of speculative funds amounted to 35.4856 million yuan [2] - A table showing the fund flow for individual stocks in the non-metal materials sector was included [2]