Longtech Machinery Industrial Co., Ltd. (who is founded in 1982) is a manufacturer of positive displacement three lobe roots blowers, bubble diffusers, and soundproof enclosures predominantly used for Wastewater Aeration, Pneumatic Conveying, and Vacuum application.

For many years, Longtech has been reputable and popular in the market based on our excellent quality and satisfactory perfect after-service. Also we persist in aggressively adhering to the policy of "Competitive Price", "Efficiency", "Sturdiness", "Innovation", "Durability", "Easy maintenance". In the past years, with the upgrading of domestic industrial standards, and in view of the necessary to enhance market competition, we have passed ISO 9001 and CE certification. In this competitive market, we have been seeking product stability, standardized production processes, and continue to renew assembly of product equipment, so that our products are not inferior to those in advanced countries. Here, we actually manufacture and support the equipment and systems in Taiwan.