HK Elsung electronics Ltd., was established since January 1998 as a trading company (import/export) for semi-conductors and electronics components, such as integrated circuits, diodes, relay, switches, resistors, fuses, connectors, capacitors, telecom products and wireless products. And so no. Specialized in a hard to find obsolete components. All items are provide you 30-90 days warranty period and good RMA service. We have a professional sales team to ensure the satisfaction of our customers and you will enjoy 24 hours inter-warranties......