Casting li qub yog li qub ua los ntawm casting.Feem ntau, cov kev ntsuas siab ntawm cov cam khwb cia yog qhov qis (xws li PN16, PN25, PN40, tab sis kuj tseem muaj qhov siab siab, uas tuaj yeem ncav cuag 1500Lb, 2500Lb), thiab feem ntau ntawm lawv cov calibers yog siab dua DN50.Forged li qub yog forged thiab feem ntau koj ...
Nyeem ntxiv