Koyo was established in 1955 with its head office and manufacturing facility located in Nagoya Japan, it has also commenced a new facilty in 1994 in Jakarta Indonesia, these two factories combined produce in excess of 50,000 complete radiators and 75,000 radiator cores per month.

Koyo has established itself as a world leader producing heat exchange products for the global automotive aftermarket. Adrad has now been distributing the Koyo range of product for 6 years and has achieved the fastest growth of the Koyo product throughout all distributors world wide, this is due to quality product made at an affordable price.

Koyo also operates under the ISO9001 quality management system and with their extensive quality systems have a failure rate of less than 1% per 50,000 units sold. Koyo product range varies from a small heater core to industrial applications catering for all customers needs.

Koyo employs 1250 people around a 24 hour shift in both plants in Jakarta and Japan, allowing for extremely fast turn around times on all products.