Metco Marketing [India] Pvt. Ltd. Offers Melt Treatment Alloying Additions. Metco Marketing [India] Pvt. Ltd. Is an ISO 9001:2000 registered organization that manufactures different types of covering base / primary metals, non-ferrous scraps, recyclable plastic scraps, secondary metals & alloys, minor metals, ferro-alloys, all ferrous , finished and semi-finished metals and steel products, and alloying additives. The Melt Treatment Alloying Additions are high quality products used for Aluminium Primary Smelters, Semi-Fabricators, Remelters and Foundries for alloying of aluminium in the melting and holding furnace as well as in the launder. The high alloying element concentrations are developed and produced to meet customer requirements and offer optimum solutions for alloying. The high concentration alloying additions offer highest quality and good performance along with advantages in costs and efficiency.