Cov Phaj Tooj Liab
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Siab Purity 4N 6N 7N 99.99999% Pure Copper Phaj Electrolytic Copper Oxygen Free Copper
Peb zoo siab heev uas tau qhia peb cov khoom siv tooj liab tshiab kawg uas muaj cov khoom ntshiab siab, uas muaj cov qib ntshiab ntawm 4N5 txog 7N 99.99999%. Cov khoom no yog cov txiaj ntsig ntawm peb cov thev naus laus zis zoo tshaj plaws, uas tau tsim los kom ua tiav qhov zoo tshaj plaws.
