MINNEAPOLIS -- HEI Inc. today announced lower second-quarter results for the period ended March 3.

The designer and manufacturers of medical equipment systems and devices said net sales fell 10% to $10.6 million compared to the prior year. Gross profit fell by about half, to $893,000.

Net sales at the company's flexible substrate business were lower on an order drop from a primary customer looking to cut inventories. RFID orders slowed as well.