Heavy - gauge steel is automatically formed , rolled and welded to assure a continuous seam for glass lining . each tank is double tested to ensure quality 內(nèi)膽由超厚鋼板通過自動化控制設備滾軋、成型、焊接而成,確保在涂敷烘烤熔融藍鈷陶瓷工藝過程中內(nèi)膽不會出現(xiàn)縫隙。每個內(nèi)膽都經(jīng)過雙重質(zhì)量檢驗以確保質(zhì)量合格。