You got that code from the previous case. It will be your lead.
The code was: 352N101413E
Justin says that the code looks like coordinates.
This is the low-spoiler guide for "Locating the DAS factory" puzzle in Chinatown Detective Agency. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.