Wuhan Longshen Seal Manufacture Co., Ltd

Wuhan Longshen Seal Manufacture Co., Ltd is an innovative, state-level high-tech enterprise affiliated with the Huazhong Scientific Institute of Fluid. The company focuses on the design, R&D, manufacturing, sales, and service of a wide range of sealing solutions, including mechanical seals, oil (shaft) seals, industrial rubber products, and sealing materials such as silicon carbide, carbon graphite, hard alloy, alumina, and filled PTFE.

Its products are applied across aerospace, fiber optic and optoelectronics, military and nuclear industries, electric power, steel and petrochemicals, papermaking and dyeing, marine and vessel equipment, food processing, pharmaceuticals, environmental and biological engineering, water circulation and wastewater treatment, and various fluid machinery. Application coverage includes reactor vessels (reducers), general industrial pumps, submersible motor pumps, marine pumps, gas-engine and automotive cooling pumps, automotive air-conditioning compressors, and refrigeration equipment.

Backed by advanced production and inspection equipment, the company operates computerized ERP management and maintains a structured quality and environmental management approach. Manufacturing and inspection are carried out in line with international and domestic standards, supporting consistent performance for both conventional and high-demand sealing duties.

The product portfolio includes mechanical seals for pumps, vessels, centrifugal compressors, and fans/blowers for liquid transportation, as well as dry gas seals, welded metal bellows mechanical seals, and magnetic sealing solutions. The company also supplies mechanical seal auxiliary systems, rubber and plastic seals, and sealing materials; its high-technology offerings include dry gas seals, high-speed centrifugal compressor seals, and seals for high-pressure reactor vessels and challenging media such as large-particle and sandmill applications.