(1)Mitundu yayikulu yazitsulo zachitsulo: DIN mndandanda wapamwamba kwambiri wowoneka bwino kwambiri wamapaipi achitsulo osasunthika, mapaipi apadera achitsulo opangira ma hydraulic, mapaipi apadera achitsulo opanga magalimoto
(2)Miyezo yayikulu: DIN2391, DIN2445, EN10305, DIN1629, DIN1630, ASTM A179
(3)Zida zazikulu: ST35 (E235) ST37.4 ST45 (E255) ST52 (E355)
(4)Kutumiza kwakukulu: NBK (+N) GBK (+A) BK (+C) BKW (+LC) BKS (+SR)
(5)(5) Zinthu zazikuluzikulu: palibe wosanjikiza wa okosijeni pamakoma amkati ndi akunja a chitoliro chachitsulo, palibe kutayikira pansi pa kupanikizika kwakukulu, kulondola kwambiri, kutsirizitsa kwakukulu, palibe mapindikidwe opindika ozizira, palibe ming'alu yowotcha ndi kuwotcha. (6) Ntchito zazikulu : Amagwiritsidwa ntchito m'mafakitale osiyanasiyana monga mapaipi a hydraulic system, mapaipi opangira magalimoto, asitikali, makina opangira uinjiniya, ma locomotives njanji, zakuthambo, zombo, makina opangira jekeseni, makina opopera, zida zamakina, injini za dizilo, petrochemicals, malo opangira magetsi, zida zowotchera, ndi zina.