Who is the first empire of china

The first empire of China is often attributed to the Qin Dynasty, which was founded by Qin Shi Huang in 221 BCE. He unified the various warring states of China, standardized laws, writing systems, and currency, and implemented various reforms. Qin Shi Huang declared himself as the first Emperor of China and established a centralized imperial government, making the Qin Dynasty the first empire of China.