標準:
ISO9001:2015
数:
02320Q21359R1M
発行日:
2020-10-30
有効期限:
2023-10-29
有効範囲:
Technological Research and Development, production (processing of tungsten, molybdenum, copper titanium and their alloys), techn
が発行:
Beijing Zhong Jian Xie Certification Centre Co.,Ltd.