1.Replacement of Jone Crane/Burgmann/Aesseal etc 2.Used for rotaty shaft equipment 3.Be designed via customer's requirements Applied industry:extensively used in all kinds of industry.such as chemical industry,petroleumindustry,medical technique,food industry,sewage-disposal industry,steel industry,semi-conductindustry and so on.Applied equipment:mechanical sealing,pressure vessel,gas compressor, ...