heat exchanger for farm warming

Technical requirements
1.the heat exchanger is made of SS304 tube of f18X2.0-38mm with crimped SS304 fin.
2.surface tube NO:20,row NO:4, total tube NO:80
3.design pressure:1.5MPa,design temperature:300?
4.conneting tube:Ø57 outside thread connecting tube
5.fin height:10mm,fin thickness:0.3mm,fin distances:4mm
6.material:all is made of SS304,
7.the heat exchanger is made of 4 flow pathes
8.making standard:GB/T14296-93

heat exchanger for farm warming