“Why is it so cheap?” is the first question every overseas buyer asks. Here is an honest teardown for a mid-range plate heat exchanger. Cost structure (per unit) Raw materials 55–60% — aluminium (6061/6063) or copper, stainless plates (304/316), and gaskets (EPDM/NBR). Material cost is the swing factor. Labour & assembly 15–20% — brazing, sealing, […]