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품질 보증서
품질 제어 프로세스
표준: | ISO 9001:2015 |
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번호: | 00217Q22715R1M |
발급 일자: | 2018-07-06 |
유효 기간: | 2020-06-14 |
범위 / 범위: | Manufacture of 1000kV and below transmission steel tube tower. 750kV and below steel substation structure support, 750k V and below transmission line iron tower, 220kV and belowtransmission steel tube pole, communication tower, circular concrete pole, iron |
발행: | CHINA QUALITY MARK CERTIFICATION GROUP |
표준: | ISO 14001:2015 |
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번호: | 00217E31308R1M |
발급 일자: | 2018-07-06 |
유효 기간: | 2021-09-14 |
범위 / 범위: | Manufacture of 1000kV and below transmission steel tube tower. 750kV and below steel substation structure support, 750k V and below transmission line iron tower, 220kV and belowtransmission steel tube pole, communication tower, circular concrete pole, iron |
발행: | CHINA QUALITY MARK CERTIFICATION GROUP |
표준: | OHSAS 18001:2007 |
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번호: | CN-00217S11142R1M |
발급 일자: | 2017-06-13 |
유효 기간: | 2020-06-13 |
범위 / 범위: | Manufacture of 1000kV and below transmission steel tube tower. 750kV and below steel substation structure support, 750k V and below transmission line iron tower, 220kV and belowtransmission steel tube pole, communication tower, circular concrete pole, iron |
발행: | CHINA QUALITY MARK CERTIFICATION GROUP |
표준: | Quality Certificate |
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번호: | 491 |
발급 일자: | 2018-02-21 |
유효 기간: | 2021-02-20 |
범위 / 범위: | All steel structure |
발행: | ONAC |
표준: | Costa Rica tower material standard certification |
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표준: | Chile nch203 standard certification |
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