Thanks a lot for your sincere offers and supports.I have seen their catalogues that their camera systems are for the temperature ranges of -25 degrees to 50 degrees. Our projects also have some special requirements like temperature ranges from -45 degrees to 50 degrees, is there any difference for the prices? Please check and advise, and advise how much difference.Waiting for your kind confirmation.FYI, the year 2021, seems to be great for us, we can do plenty of jobs together, and I sincerely hope that we can do plenty of jobs with your supports and helps.