2023

Release time:

2025-06-09

the People's Republic of China special equipment production license - pressure pipeline valve (metal valve) A1 level；<br> the People's Republic of China special equipment production license - safety valve A level certificate；<br> Zhejiang provincial "Specialized, Refined, Differential and Innovative SMEs" certificate；<br> Zhejiang provincial "Credit Management Demonstration Enterprise" certificate<br>

the People's Republic of China special equipment production license - pressure pipeline valve (metal valve) A1 level；
the People's Republic of China special equipment production license - safety valve A level certificate；
Zhejiang provincial "Specialized, Refined, Differential and Innovative SMEs" certificate；
Zhejiang provincial "Credit Management Demonstration Enterprise" certificate

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