On 2021-04-21, Our customer from Canada confirmed the order of 300pcs finned tubular heaters. The below is the order mail from them.
"Please provide us the revised invoice for the 300pcs finned heaters as you indicated in the PI.
The section of Freight and other details must be indicated and the PI and invoice must be identical.
We are looking forward to receiving the revised invoice."
The Finned tubular heater that we made for them is the W shape, like the below picture, we make based on the technical drawing that they offered us.






