Chen Jianfeng slapped his chest fiercely: "It's okay, there's no problem at all! By the way, do you want to give you some precise instructions for 122mm and 152mm artillery shells? We have mature technology and Precision guided ammunition of the same caliber has already been produced. It is..." ,There are so many variables that without marriage, it is uncertain whether she will be able to marry into the Tham family in the future.