Factory Construction / Construction and Building Oxygen-Generating-Plant Import Export Offers

I write to you from Mexico 🇲🇽 I am looking for an industrial oxygen generating plant with a tank filling system The plant that is small of 100 m3 per hour

For medical oxygen generating plants

I want to buy an oxygen generating plant with a capacity of 500 liters per day

We want to Start oxygen generating plant here in our country. So, We need Machineries relating with this field