Cov khoom siv ntau lawm

◆ Ntau tshaj 10 cov kab ntau lawm

◆ Peb lub peev xwm tsim tau txhua xyoo: cov khoom siv hluav taws xob sib xyaw 2,000,000pcs / xyoo, xob laim ntes 420,000pcs / xyoo, fuse cutout 100,000pcs / xyoo , bushings 50, 000pcs / xyoo, cais 50, 000pcs / xyoo.