There are more than 30000  LED display suppliers in China.

In all  LED display suppliers, some of them are trading companies, some of them are  LED display manufacturers.

In the same material,usually a price of written by a trading company is higher than a price written by a manufactuer.

When doing  LED display manufacturers analysis, the most important thing is to build up relationship with a lot of bosses in China.

When you build up good relationship with a lot of  LED display manufacturers bosses, it means that you can the most competitive price from a boss.

You can get the price from the boss, and your competitor getting price from the sales manager.

In the same  LED display manufacturers, obvisouly, the price from the boss is cheaper than the price from the sales mananger.