All Steel wire for mechanical springs Part-1 cold drawn unalloyed steel wire are categorized under IS 4454 (Part 1). All models and brands of that meets IS 4454 (Part 1) standards are required to get ISI Certification before its launch or import to the Indian consumer market. ISI Certificated will be issued to the manufacturer only (not to dealer/trader or distributor) whether manufacturer is in India or in abroad does not matter.