1kg kub Graphite Ingot pwm

Kev Piav Qhia Luv:

Lub pwm 1kg kub Graphite Ingot los ntawm Vet-Tuam Tshoj yog tsim tshwj xeeb rau kev casting kub-purity ingots, muab kev daws teeb meem zoo thiab meej rau ob tus kws tshaj lij thiab cov neeg nyiam ua si. Cov pwm no muaj kev ruaj khov zoo heev thiab tsim los tiv taus cov xwm txheej kub heev thaum lub sijhawm kub yaj thiab casting.