Inquire about the defendant's industrial and commercial registration information on the national enterprise credit information publicity system (/), including company name, legal representative, registered capital, business scope, registered address and other information.

Inquire about the defendant's abnormal business information and administrative punishment information on the national enterprise credit information publicity system (/).

Inquire about the defendant's business license, tax registration certificate, organization code certificate and other license information in the local market supervision administration and other relevant departments.

If the defendant's industrial and commercial registration information is found online, the query results can be printed out and submitted to the Labor Arbitration Commission as evidence. It should be noted that in order to ensure the authenticity and validity of the evidence, it is best to intercept screenshots of the pages when inquiring about the industrial and commercial registration information materials, and affix the official seals of relevant departments on the printed paper materials to increase the credibility and persuasiveness of the evidence.