Insimbi is a group of companies purposefully brought together to provide resource-based supplies to a wide range of industrial consumers. From modest beginnings in 1970, we now proudly offer ferrous and non-ferrous alloys; refractory and foundry materials; plastic blow moulding, injection moulding and rotomoulding production; and alloy recycling processes to national, regional and international markets.

Kaizen Refractories (Pty) Lts was established in 2007. We specialise in services in the iron making, ferro-alloy- and non-ferrous industries as well as boilers. We have over 25 years of experience in these industries and we pride ourselves in our values which is reflected in our name Kaizen which means Continuous Improvement - Quality of service.

RHI Magnesita is the global leader in refractories with the largest number of locations around the world and provide the most innovative, reliable products and services.