Spring Steel wire

We are a trade company in Iran we need spring wire different size consist of :
-diameter (9 and 8 and 7 mm) input wire rod 10mm
-diameter (7and 6 mm)input wire rod 8mm
-diameter (5.70 and 5 mm)input wire rod 6.5 mm
Attention: We want to drawing again these in my factory about maximum 1mm with 1 block
Therefore the zinc phosphate surface is so much importance for me when we draw your product about 1 mm the surface be suitable and don’t be bald and it be sleek and coverd by phosphate.
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