Where to buy cheap 8 pin lightning to USB charger/data cable for iPhone 5?

I have a store selle apple spare parts and accessories. Now people are looking for spare iphone5 cable, Where to purchase cheap iPhone5 cables? Where to buy cheap 8 pin lightning to USB charger/data cable for iPhone 5, iPad mini, iPad4?

I purchased from a China iphone spare parts supplier. This company supplies many apple spare parts, such as the new 8 pin lightning to USB charger/data cable for iPhone 5, iPad4, iPad mini.
It seems people like the new iPhone5 cable.
By the way, here is their site: applespareparts.sharepoint.com/