1. Inquire in official website, State Tobacco Monopoly Bureau. Official website's website is. On the homepage of official website, you can click on the related pages such as "Information Disclosure" or "Government Affairs Disclosure", and then select "Blacklist Publicity" to query.
2. Call the hotline 123 19 for relevant information. This hotline is a complaint hotline for tobacco industry, which can provide blacklisted supplier information and complaint handling.
Through the above methods, you can query the relevant information of blacklisted suppliers in the tobacco industry.