Since October 2011, NZI has been the exclusive distributor of HM Corporation (formerly DTR Electric) polymeric insulators in New Zealand. HM Corporation is a very well-established & respected brand amongst New Zealand Networks.

HM Corporation polymer insulators present a compelling value proposition - impeccable quality, competitive price positioning.

Based near Busan in South Korea, HM Corporation are acknowledged global leaders in the manufacture of polymeric deadend strains, line posts, surge arresters, station posts, suspension, standoffs and EDOs.

Their website is

New Zealand Insulators has a full range of HM Corporation product in stock, at both Kumeu & Temuka.

To download the HM Corporation pages in NZI's 2022 Catalogue click here

Sales samples are available for technical assessment.

Please email David Glackin -  or Chris van der Werff - to discuss, get samples, and/or request a quote on HM Corporation product.