Sang Shin metallic co. , Ltd , which is one of the biggest smelting / recycling factory in SOUTH KOREA established in 1985, and is located in Ansan-city, Sang Shin Metallic Co.,Ltd which had quickened, pointing to a time of age attracted the advanced technology of extra alloy metal for the first of the industries of recycling lead and remelting in domestic, and completed the factory whose capacity is more than 3000ton monthly of alloy and pure lead in SI-hwa industry complex.