https://alephindia.in/isi-product/reinforced-concrete-poles-for-overhead-power-and-telecommunication-lines.php
BIS Certification is Mandatory to Manufacture / Sell / Import Reinforced concrete poles for overhead power and telecommunication lines Under IS 785:1998, Check...
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https://alephindia.in/isi-product/prestressed-concrete-circular-spun-poles-for-overhead-power-traction-and-telecommunication-lines.php
Get BIS Certification for prestressed Concrete Circular Spun Poles For Overhead Power Traction And Telecommunication Lines from BIS Under IS 13158:1991. Check...
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