Certificates
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企業(yè)證書190412.jpg)
Certificate of High-tech Enterprise
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協(xié)會證書.jpg)
Membership certificate of Chinese Environmental Protection Industry Association
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保產(chǎn)業(yè)協(xié)會會員證.jpg)
Membership certificate of Shanghai Environmental Protection Industry Association
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境污染治理工程總承包證書.jpg)
General contracting certificate of environmental pollution control project
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計證書.jpg)
Special engineering design certificate
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