2. Noci Consulting: a company specializing in market research and business consulting, with extensive research resources and rich experience in data analysis, can provide second-hand data collection and analysis services for enterprises.
3. PricewaterhouseCoopers is one of the leading consulting and auditing companies in the world, with a huge research and data analysis team, which can provide enterprises with all-round services of second-hand data collection, collation and analysis.
4. Ipsos Market Research Company: This is an international market research and business consulting company. Through the investigation and market analysis on a global scale, it can help enterprises to obtain second-hand data on a global scale.