n August 2025, a French customer visited the Zhengzhou Bona Thermal Energy factory.
This was his second visit, having recently ordered a waste oil burner from Bona Thermal Energy.
This visit primarily focused on inspecting the machine's performance and learning how to operate it.
The customer inspected the heating tank that comes with the waste oil burner.
The customer inspected the waste oil burner.
In the office, the customer was given a brief explanation of how to use the waste oil burner.
Finally, the burner was debugged and the flame tested on-site.
