A company from Czech Republic is interesting in purchasing of oil

We need:
Quantity: 1,500 MT as one-shot, if everything ok, then on montly basis.
Start of delivery: ASAP
Payment: 100% L/C
SGS Test Report and ISCC: Requested
Transport: Flexi tanks, 20'
Specification: norm DIN 51605 with more strict required quality in 2 parameteres (Content of Phosphorus max. 9 mg/kg and Water Content max. 500mg/kg).