Established in May 1984, Siliconware Precision Industries Co., Ltd. has become one of the leading providers of comprehensive semiconductor assembly and test services. SPIL posted annual sales of US$1.81 billion in 2009 and currently employs around 16,000 people worldwide. The company is listed on the Taiwan Stock Exchange (TSE : 2325) and NASDAQ National Market under the trading symbol of SPIL.

SPIL is dedicated to meeting all customer's integrated circuit packaging and testing requirements. Our turnkey solutions range from design consultations, modeling and simulations, wafer bumping, wafer probe and sort, package assembly, final test, burn-in, to shipment. Products include advanced leadframe and substrate based packages, which are widely used in, but not limited to, personal computers, communications, internet appliances, cellular phones, digital cameras, cable modems, personal digital assistants and LCD monitors.

Our dedication to enhancing quality and developing technical innovations to satisfy customers' needs has made SPIL one of the top leaders in creating high value-added solutions, to the point where we are now the world's third largest IC packaging and testing services provider.

SPIL provides services and support to fabless design houses, integrated device manufacturers and wafer foundries globally. We constantly upgrade our processes to meet the demand for the most advanced manufacturing technology and also build a strong reputation for high quality products and services. This has made us a partner our customers know they can trust. Our passion for quality has also enabled us to maintain consistent growth and maximize returns for our shareholders.