This is Tom from Shanghai China.we are a manufacture specializing in producing environment test chamber in China.And we are also the supplier of the space administration of our country.I found that there are many products same as the ones you displayed.

Anyway,you could find some other items and then you can promote them on your market.

Any inquiries please do not hesitate to contact us.

there will be a surprise to you.and I only hope we can do the win-win business with each other.