Identification of authenticity of Broadway invoices

It doesn't look like it. This belongs to Xiangxiang, so you can't use the online query function in the mainland.

The invoices of Hong Kong companies are not printed by the Hong Kong Inland Revenue Department, and there is no unified government department. Hong Kong invoices are printed by the company itself, stamped with the company seal and signed by the relevant person in charge. In fact, Hong Kong company invoices are equivalent to domestic receipts. If you want to check the invoice of a Hong Kong company, you can call according to the telephone number on the invoice to see if it is the invoice issued by this company.