@startwbs
+ 客群
++ <u>Legal/Finance</u>
++ <b>R&D</b>
+++ Software
++++ Design
++++ Testing
++- Hardware
++++ Digital Circuits
+++- PCB Boards
++++ Analog Circuits
+++ System design
+++- Modeling
++++ Simulation
++ <b>Production</b>
++- Procurement
+++ Manufacturing
++++ Mechanics
---- Electronics
@endwbs