Longshen seal manufacture Co.,Ltd,as an innovative State-level high-tech enterprise under the
control of Huazhong scientific institute of Fluid, is specialized in design, innovation, manufacure,
sales and service of various mechanical seal, oil(shaft), industrial rubber and seal material(SIC,
CA, hard alloy, alumina. PTFE etc.,) The product is widely used for aerospace, fiber optic,military
science, nuclear industry, Electrical, steel, petrochemical industry, paper-making, dyeing, Vessel,
food processing, pharmacy, living-things engineering, water treatment, reactor vessel(Reducer),
general industrial pumps, submersible pumps and marine pumps, gas engine, auto-cooling pumps
and auto-compressor, cool-machine.
Our company possesses advanced production equipment and perfect means of quality control
and inspection. Company implements ERP management and continuous improve quality
management ISO 9001:2008, ISO/TS16949 and environment system ISO 14001:2004. Our
production technology leads in domestic and our products conform to ISO-3069, DIN24960,
API610, AP1682,NF En12756, ANSI B73.1 & Gb6556. JB/T1472 and JB/T5966.
Holding the concept of People-oriented, Scientific and technological innovation, Continuous
Service, Win-Win, we warmly welcome esteemed customers from home and abroad to visit us to
strengthen mutual understanding and establish a long-term cooperation.
Main products:mechanical seal for various kinds of pump,vessel, centrifugal compressor, fan
blower liquid transportation (including dry gas seal,welding metal bellows mechanical seal,
magnetic sealing etc.);Mechanical seal auxiliary system; Rubber seal; Sealing materials(including
silicon carbide, tungsten carbide and carbon graphite, 99％ ceramics etc); high technical innovation
products include: dry gas seal, high speed centrifugal compressor seal, and high pressure reaction
vessel, the seal for large particles medium and sandmill, the seal for photo electric optical fiber
from magnetic fluid., etc.