Mechanical seal We are specialized in production of a wide range of cauldron-using and pump-using machinery seals, design & manufacture all kinds professional mechanical seals, according to the high temperature, high pressure, high speed requirement. We were awarded the quality system certificate of iso9001:2000 standard. We are the standard-making unit of kettle mechanical seal, medium voltage kettle mechanical seal, glass lining mechanical seal and sander mechanical seal in china. Our company has a strong technical force and manufacturing capacity as well as complete and advanced inspection instruments. The equipment processing is all done by the digit-controlled machineries and processing centers, which provides a guarantee for the quality of our products.