"Do you know why Lujia has been able to cross the jewelry industry for so many years? Of course, the production process is indispensable, more or that design manual! The above concepts and detailed design drawings are the basis for the authorities to study, transform and design. If Lujia didn't have this, would he want to go all over the jewelry industry? It's a silly dream! Now the design manual must be in Lu Chengxiao's place. As for the production technology, it is very likely in Ningyi's place. So... With your help, it's just like adding wings to a tiger! As long as you successfully complete the task, what you...