we have ass.30-40 pcs of red onion in farm under soil .3.5 to 4 kg each weight.denisity 70-75% . 18mm copper wire melt in about 10-15 min.rate 10cr per kg.rate may be negotiable.location durgapur 30-40 kg. But check onion on the spot and clarify.free hand testing of each piece at the time of purchase.whatsapp me on 9334080406. Samar.