The rankings are as follows:
1: Shenzhen Quanhong Technology Co., LTD. : headquartered in Shenzhen, the company's main: LED power driver chip, emergency driver chip, DC-DC constant current driver chip, DC-DC power supply chip, lithium protection chip, MOS, capacitor, etc.
2: Samsung Electronics.
3: Huahong Group.
4: Hefei crystal integration.
5: Micron.