Requirement of steel billets from Saudi Arabia

Please find below the specifications for our requirement:
Steel Billets
Specifications in mm: 130*130 or 150*150
Length 6Meter
Prime steel Billets (BOT ROUTE)
Grade 3S/PS (MODIFIED)
Chemistry
Carbon: 0.16%-0.23%
Mn: 0.55%-0.80%
Si: 0.15%-0.30%
S: 0.45% Max
P: 0.45%Max
CR: 0.40% Max (Aiming 0.35% Max)
C.eq: 0.32 -0.42
Tolerances:
Length Tolerance: + 30mm,-0
Diagonal Difference (Rhomboidity): 9 mm maximum (Aiming 6-7mm)
Camber : 5mm/Meter