... 2)Quality standard: CE standard electrical control system Automatic Girth Seam Gouging MachineSuitable for industries of: OIL AND GAS, PETROCHEMICAL, ... Formosa Heavyinductries Corp., CNPC Group, SINOPEC GroupFeatures: 1Suitable for girth seam gouging of storage tank, tower, etc2Able to realize gouging in ... leap in highly-efficient development of construction. Automatic Girth Seam Gouging Machine