ʻO Shanghai Zhongze Yi Metal Materials Co., LTD.ʻO ke kaʻina hana o ka paipu kila kila: 1. ʻO ka hoʻomākaukau ʻana i nā mea waiwai: Hoʻomaka ka hana ʻana i nā paipu kila kila me ke koho ʻana i nā mea kila kila kila kiʻekiʻe, hana maʻamau i ka hao, chromium, nickel, ma ...
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