"The cranes that are being supplied to the ports from [Shanghai Zhenhua] are with Guptas. Ask Liebherr."
The company could be liable for prosecution in Germany should authorities decide to investigate.
It is alleged that a software company paid the Guptas "commissions" to help it score Transnet contracts.
Gigaba's erstwhile advisor reportedly travelled to India with Jacob Zuma's son.
Weekend reports suggested that the Gupta family had tracked the flight details of the EFF leader and others.
"Four, yes, owned up."
The energy giant has been racked by scandal and is subject to at least seven inquiries.
The board is interim until it is taken to Parliament.
Leaked emails show the head of a Gupta family composed tweets to defend Duduzane Zuma.
The man responsible for the website and the smear campaign against leading SA journalists is a former Gupta employee.