hih Lien develops steel materials that satisfy the increasingly more severe operating conditions in today, by continued quality and research efforts in metallurgy and technology of Steel Wire and Steel bar. Well developed Quality Assurance Program has been integrated with a Quality Control System in all production phases to assure that the manufacturing processes are under control and that the final products meet the specified requirements. A qualified metallurgical and laboratory staff monitors and evaluates continually numerous quality parameters which are used not only to identify potential problem areas, but also to improve processing procedures for reliable and cost-effective production of premium quality materials. Our Quality Assurance Program based on ISO 9000 guarantees the reliable products and up-to-date measuring instruments to inspect, analyze, record and trace all the chemical composition and mechanical properties. Quality policy – “Quality decides company's life” is always stimulating us to provide the best products to customers. Chih Lien is not only the metal products maker, but technical materials supplier.