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Address: East head of South Tianmen street, hi tech Zone, Tai'an, Shandong.
Tel: 400-677-1919
E-mail: 
[email protected]

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Certificate

Qualification certificate

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Measurement Management System Certification Certificate

Business License

Account Opening Permit

Qingsong-9001-English-20200123

Qingsong-9001-Chinese-20200123

Qingsong -14001 - English -20200123

Qingsong -14001 - Chinese -20200123

Qingsong -18001-English-20200123

Qingsong -18001-Chinese-20200123