MACO has strictly controlled every step of the production process starting from careful selection of high-quality raw materials; monitoring work in progress using high technology equipment; Gas Leak test using Helium for accurate testing; and final inspection before delivery to customers. The company's goal is to maintain maximum customer satisfaction as well as reduce production costs. MACO has invested heavily in a world-class laboratory center to support every international standard. The lab is equipped with state-of-the-art technology for MACO's air-conditioners testing, both single and multi type, to ensure safety and good performance. This facility is the first air-conditioning laboratory in Thailand.
MITSUBISHI HEAVY INDUSTRIES - MAHAJAK AIR CONDITIONERS CO., LTD. 
