1. MEIZU (Zhuhai Meizu Electronic Technology Co., Ltd.)

2. Lenovo (Fortune 500, China's well-known trademark, China's famous brand, global PC leader, Lenovo Group Co., Ltd.)

3. Coolpad (one of the world's leading smartphone manufacturers, Yulong Computer Communication Technology (Shenzhen) Co., Ltd.)

4. Tianyu K-Touch (professional (a large high-tech enterprise, a well-known domestic mobile phone brand, Beijing Tianyu Langtong Communication Equipment Co., Ltd.)

5. OPPO (a large high-tech enterprise, a highly influential brand in the domestic digital industry, Guangdong Oppo Electronics Industrial Co., Ltd.)

6. Dopod (a subsidiary of Taiwan's HTC, China's number one smartphone brand, HTC International Electronics Co., Ltd.)

7. BBK (China Well-known trademark, Chinese famous brand products, industry-famous brand, Guangdong Bubugao Electronics Industry Co., Ltd.)

8. CECT

9. Xia Xin (Chinese well-known trademark, Chinese famous brand, headquartered in Xiamen)

10. Gionee (a famous domestic mobile phone brand, headquartered in Shenzhen)

11. Zhongtian

12. Konka (a well-known Chinese trademark, headquartered in Shenzhen)

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13. Bird (China Famous Brand, China Famous Brand, Headquartered in Ningbo)

14. Haier (World Famous Brand, China Famous Brand, Headquartered in Qingdao)