N'ihu ndụdụ mpụta tube na-eji aluminum AC2B-F, elu ntụ ntụ mkpuchi ma ọ bụ esereseIme tube nickel + Chrome plating, ihe 37Mn5- Hi tensile arụmọrụ n'ihu ndụdụ ujoNa mgbakwunye, ọgwụgwọ elu pụrụ iche bụ imeziwanye ịdịte aka na arụmọrụ.-Ihe ntinye niile na-eji akpụkpọ ụkwụ rọba dabara adaba iji chebe ihe mgbagwoju anya ma na-adị ọcha