Welded chain

Inquiry for welded chain 16*56
Dear Sir,
please send me your best offer for chains 16*56
L= 43.120 (770 pc in link)
QTY - 80 000 kg
with the following characteristics: - Effort of strength - not less than 50 kN and 100 kN test tensile - Material - carbon steel with a tensile strength Rm> 340 MPa and elongation A5 = 25% - Tolerances of ± 2 step mm - Type of welding - electrical-- chain to be heat treated after welding - The chain is supplied in cut length of a span 43.120 m of 770 units