... ,without any side-effects. Now we have got approval of ISO9001:2000,and got many certificates like CE ,SASO,SGS and so ... , annealing furnace, roller hearth furnace, etc. The aluminum industry are hot furnace, Ceramic industry tunnel kilns, intermittent kilns, kiln firingFurnace flue ... 300 & 600 Width:300 Thickness:150----300 ;As customers’requirmentsPackageCartonsCertificateISO9001-2000; ISO14001-2000