I'm interested in receiving a quotation FOB basis for your spring units for mattress. The size of the units I need are:
Biconics Spring units. Springs 2.2mm
External rod caliber 4mm
288 Springs per unit
Size of the spring unit:135x190 cm
Our anual purchase will be around 40 k units I'll wait for your comments.
Best regards,
Jorge Serguera.