I would like to buy 4 of your ETLc split water tanks with coil to work with natural gas boilers. My representant will be in China this week and he them out at your warehouse: - 2x with their CSA or ETLc certificate- 200L split water tanks without anything else, right packaged and ready to go in the container; - 2x with their CSA or ETLc certificate- 300L split water tanks for my natural gas boilers, right packaged and ready to go in the container; In the same time, can you please send me the CSA or ETLc certificates for each tank model? Thanks Show More