2021??10??29???????ó??????????2021-15????棨??????23-2021-6????????????????능원금속공업,부광금속나??2021??9??28??????????????????й??????????????Seamless Copper Pipes and Tubes??????????????????顣?永????????????????3.80??????С?????28.58??????????????0.20??????С?????2.00???????????????50??????????????99.85%??????????????????????￡???????????????97.5%????????????漰???????7411.10.0000???μ???????????????????????2021??1??1???2021??6??30???????????????2018??1??1???2021??6??30????й?????????н??????????????????????Golden Dragon Precise Copper Tube (Xinxiang) Co., Ltd.????????????????????????????????Ningbo Jintian Copper Tube Co., Ltd.?????????????????????Shanghai Hailiang Copper Co., Ltd.???永???????????????2???￡????????y?????????????淢???????????????3????????????

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https://www.ktc.go.kr/procFileDownload.do?invstg_mast_id=00000741&invstg_seq_no=0008&seq_no=0000