1, the company website, where there are information such as company business license, legal person information, registered capital, address, company profile, successful cases (customer information), etc.
2. Then through Baidu, check the company legal person, company address, customers and other information, which can be analyzed, including the record analysis of the past 5- 10 years;
3. If possible, you can go near this company in person and get to know its information on the spot through people around you;