Himalaya Engineering Co. Manufactures Asphalt Drum Mixer. Himalaya Engineering Co. Is an ISO 9001:2000 Certified Company. The Company also offers different machines such as drum mix plant, wet mix plants, road paver equipment like paver finishers, mechanical paver finisher, asphalt drum mixer, bitumen pressure distributor, mini drum mix plant, wet mix paver finisher, reversible drum mixer, mechanical trolley and mounting sprayer. The Asphalt Drum Mixer is used in construction industry. .