Srikalahasthi Pipes Limited- SPL (formerly Lanco Industries Limited) is one of the leading manufacturers of ductile iron pipes (DI Pipes) in India. SPL also offers superior quality foundry grade pig iron, cement and low ash metallurgical coke. SPL is an associate company of Electrosteel Castings Limited (ECL), which is a pioneer in production of DI pipes in India and five decade old water infrastructure company, providing techno-economic solutions for water supply and sewerage system. ECL group is India’s largest and one of the few manufacturers in the world to make DI pipes, DI fittings and CI pipes, having its facilities in Khardah & Haldia in West Bengal, Elavur in Tamil Nadu and Srikalahasthi Pipes Limited In Andhra Pradesh.
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Hindustan Copper Limited (HCL), a public sector undertaking under the administrative control of the Ministry of Mines, was incorporated on 9th November 1967. It has distinction of being the nation’s only vertically integrated copper producing company as it manufactures copper right from the stage of mining to beneficiation, smelting, refining and casting of refined copper metal into downstream saleable products.