Fodor's Travel Talk Forums - How to pack for a trip to Shenzhen?

I can’t wait to travel to China this March. I’ll be leaving for Shenzhen on the third week for an international dating social event, and I’m quite excited for this. But first, I need advice on how what clothes to pack. Should I bring warm clothes or lighter clothes? I already have some formal wear ready for the social, but I don’t know what kind of outfit I would need for the rest of my stay.
Aside from clothes, what else do I need to bring with me? Sunscreen? Mosquito repellant? Anything else? I really appreciate your help guys. I know I still have a lot of time but I’m also busy with work. I’m making a list ahead of time so I won’t have to cram at the last minute. Thanks ahead for your responses.