Constructions require the best of steel for every part of the process from the foundations to the very top. Quantum Steels Supplier and Manufacture in Nigeria Provide the best steels for your construction Needs. Think wisely and pick the best steel supplier. Ms Rectangular Pipe is a Rectangular mild steel that can easily welded. They are generally used in industries, Construction, mining, etc. Quantum Steel Nigerian Limited Supplies is the best MS Rectangular Pipe in Lagos and provides high-quality MS Pipes.