The New Essential Guide to Electronics in Shenzhen
By 'bunnie' Huang & Naomi Wu

https://crowdsupply.com/machinery-enchantress/the-new-essential-guide-to-electronics-in-shenzhen/

Everything you need to navigate the world's largest electronics market.

Completely updated for 2024 by Naomi Wu

(Reposts of the Crowd Supply page on other sites is very helpful given my present situation, thank you)