Try this site.
You can spend hours looking at the greats goodies on this site, but I just spent about 3 mins looking for your panties
Asian Products--Import Export Directory for Importers, manufacturers, exporters,suppliers
China Ladies' Underwear-Ladies' Briefs manufacturer , factory ,supplier - 333
Women's Underwear Manufacturers and Women's Underwear Suppliers
China underwear/underwear set manufacturer , factory ,supplier - 892
Taiwan Women's Briefs, Energy Briefs manufacturer , factory ,supplier - 326