Diaphragms engineered for compressors
Founded in June 2014 in Fushun, Liaoning — a city with deep roots in China's major heavy-industry — Longheng focuses on the design and manufacture of mebrane for diaphragms compressors. Our product line runs from standard industrial grades to fully customed designs, serving industries such as petrochemicals, coal chemicals, metallurgy, air power systems, and refrigeration.
We match every material and design to the operating conditions that our customers actually face, and we maintain a long-term joint research partnership with the Institute of Metal Research, Chinese Academy of Sciences — engineering reliability into every cycle that your equipment runs.
Our diaphragms are used across petrochemicals, coal chemicals, metallurgy, air power systems, refrigeration, and other demanding industrial sectors
Our engineering team matches diaphragm material and design to your gas media, operating pressure, and temperature range
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