Above Ground Fuel Storage Tanks

Dear sir,
could you pls. send me your competitive price for these below materials:
no. description qty.
1 vaporizer brand algas (torrexx) model tx50 5
2 first stage (high pressure) regulator brand rego 5
3 second stage (high pressure) regulator brand rego 5
4 gas detector series se 138 5
5 gas detector series se 137 5
6 lpg tank accessories 5 sets