The rivalry between Zhejiang and Shenzhen is one of the most intense in Chinese business circles. The two cities have been competing for years, with each trying to establish itself as the leading force in China's manufacturing sector.

Zhejiang Province is known for its strong industrial base, while Shenzhen is often referred to as the "Silicon Valley" of China. Both cities have made significant contributions to China's economy, but they have also faced competition from other major players such as Guangdong and Jiangsu.

In recent years, however, both Zhejiang and Shenzhen have taken steps to increase their competitiveness by investing heavily in new industries such as biotechnology, clean energy, and high-tech manufacturing. This has helped to drive growth and create new opportunities for businesses in these sectors.

Despite their differences, there is no doubt that the relationship between Zhejiang and Shenzhen is one of the most important in China's business landscape. As the two cities continue to compete for dominance in China's manufacturing industry, it will be interesting to see how they develop over time.