What's the difference between Shanghai Haisi and Haisi Department?

The differences between the two companies are as follows:

1. Different business fields: Hess mainly involves communication, security and data exchange, while Hess mainly involves chip design, production and sales.

2. Different products: Hayes' main products include communication equipment such as switches, routers and servers, while Hess mainly produces various chips, including mobile phone chips, TV chips and Internet of Things chips.

3. Different headquarters locations: Hayes' Shanghai headquarters is located in Shanghai, China, and Haisi's headquarters is located in Shenzhen, China.