You can go to shanghai Lamps Market ! Such as: Shanghai Gansu road lighting market. Address: No.118, gansu Road etc. Wish you good luck!
Are you looking at solar lamps?
Is it for export? quantity?
there's another market up north by Line 1 Wenshui Lu （文水路). 灯具市场 i think.
some cheap lamps and lots of gaudy animal statues too. 有意思...
You can go to No 135 Liu Ying Road(Chinese is