Suzhou Baohua has established the batch scale manufacturing capacity of nuclear grade graphite gasket for process system pipeline flange and equipment flange of nuclear power plant, which can produce 50000-80000 nuclear grade graphite gasket and 12 "~ 24" (dn15-dn600), 150lbs ~ 2500lbs (pn2-pn42) pipeline flange full-size gasket annually.