If you start a business, no matter a repaired store, or a big factory, you need to purchase something you need, such as LCD screens, the frame, the flex cable, the case, etc. We share you something information about this field.
You can find everything in google.com.
You can look for many kinds of goods in Alibaba.com. Most of them are selling in whole. You can talk with many suppliers and choose the best one.
You can order the goods directly. The prices always are very low. you can discuss with the suppliers for the detail and prices
You can find everything the ebay, but the prices always are high.
The prices are high.
If you can read Chinese, you can buy many good and cheap goods from Taobao.
It is similar with Taobao.com. Most of them are selling in whole.
8. the wholesale market such as Huaqiangbei, in Shenzhen
You can see everything if you are not family with the goods, and touch them, use them. You can feel if it is good or bad.
There are still many good website in the web. If you want to buy the phone spare parts, you can go the these kinds of website and look for them.