Group 1 - The core viewpoint of the article highlights that Dike Co., Ltd. (300842) announced on October 16 that Jiangsu Jingkai has a highly experienced technical management team [1] - Under full production capacity, the average gross margin for DRAM chip packaging business is between 20% and 30% [1] - The gross margin for testing services is around 50%, which is slightly higher than that of industry peers [1]