RNA Engineering & Trading was established in 1975. RNA is the leading refrigeration wholesaler in Malaysia and includes Danfoss, Emerson and Thermal-Matic among its important brands. RNA not only provides the customers with most of the refrigeration components but also finished refrigeration equipment such as condensing unit, evaporator, air-conditioning cooling coils and heating coils.

RNA Engineering & Trading was acquired by Beijer Ref's joint-venture company B Grimm in Thailand. Beijer Ref is one of the largest refrigeration and air-conditioning wholesaling companies in the world, which is listed on the Stockholm exchange. It has a presence in 32 countries and is the largest wholesaler in Europe, looking at increasing its presence in Asia.