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Open Trade Training Centre (OTTC), is the leading training provider of commercial and industrial refrigeration courses & refrigeration training.
Colcab has emerged as South Africa’s largest and most innovative manufacturer of refrigerated supermarket display cases, as well as producing a range of ambient, hot, chilled and frozen display cases for all categories of food retail.

Our cases are tailored to the specific requirements of our customer base from independent entrepreneurs to the corporate chain stores.  The company’s head office is based in a purpose-built factory in Cape Town.
HEVAC&R Directory 2022
Blizzard Systems



Latest CGA updates

By Justin Chadwick Chinese inspections of packhouses and orchards have taken an interesting turn in 2021 and 2022. With COVID making travel difficult, the Chinese have turned to live stream…

Cold chain projects in Africa

By Lizelle van der Berg, director – GCCA South Africa | All Images supplied GCCA has members in 92 countries and includes refrigerated warehouses, distribution, and logistics companies, as well as…

What’s happening at GCCA-SA?

By Lizelle van der Berg The Global Cold Chain Alliance (GCCA) continues its work with the temperature-controlled supply chain, including cold storage, transportation, construction, equipment suppliers, and service providers. Post…