The tax control panel is used by enterprises to make out invoices, copy taxes, receive and purchase invoices and clear cards. Developed by the National Information Security Engineering Technology Research Center, Baiwang Technology is currently responsible for technical support services. Golden Tax Disks, developed and produced by aerospace information, is a high-tech state-owned listed company in IT industry with information security as its core technology, and also the earliest tax-controlled equipment manufacturer and service provider in China. Both types of equipment can be invoiced with their own invoicing software.