Deswell is a contract manufacturer based in Dongguan, China, that produces electronic products and injection-molded plastic parts for OEM customers. The company's electronics business accounts for approximately 85% of sales and manufactures professional audio equipment, medical devices, and printed circuit board assemblies. The plastics business represents about 15% of sales and produces components for power tools, automobiles, and consumer electronics. Deswell earns revenue by charging customers for manufacturing services, seeking a margin over its labor, raw material, and overhead costs. The company does not sell products under its own brand and operates without long-term contracts, relying on individual purchase orders. This model results in high customer concentration, with two customers accounting for more than one-third of sales. Deswell uses mold-making as a retention tool, designing and storing custom molds on-site to secure ongoing production orders from plastic parts customers. Profitability depends on manufacturing volume and factory utilization at its China-based facilities. Key cost drivers include labor rates in Guangdong Province and the price of plastic resins. While Deswell sells to customers in the US, UK, and Europe, all manufacturing occurs in China. The company focuses on complex electronics and plastic applications to differentiate its services from price-focused competitors.