1. Renesas Technology,
2. Infineon,
3. Star Semiconducting,
4. St,
5. Wentai Technology,
6. Freescale,
7. Slanwei,
8. NXP,
9. New Clean energy,
10. China Resources Micro,
11. Yang Jie Technology,
12. Leon Micro,
13. Jiejie Micro electricity
1. Changying Precision, 2. China Science & Technology, 3. Su Test 4. Power Source Information, 5. Optical Library Technology