Mclean Technologies Bhd is an investment holding company operating through its subsidiaries. It specializes in surface finishing for metal parts used in electrical and electronic industries, along with precision cleaning and cleanroom assembly services. The company has two main segments: Surface Treatment and Precision Cleaning, and Other. The Surface Treatment and Precision Cleaning segment, which generates the bulk of its revenue, focuses on services for the hard disk drive and consumer electronics industries. Geographically, Mclean operates in Malaysia, Singapore, China, and other international markets. Revenue of the company represents invoiced sales to customers for precision cleaning of plastic and metal components, clean bulk packing services, surface treatments.