January 01, 1970
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Outer ring grooving machine design for making groove of outer ring of spiral wound gasket, controlled by air pump. No longer expensive lathes need; one worker can see after more then 10 machines in same time.
This series of products implements DIN2093 and GB / T1972 standards and enterprise standards. At the same time, it undertakes the design tasks of non-standard disc springs for users.
Imported from USA, and used for braiding packing.