patent for invention social responsibility Quality qualifications

Jiangnan University Donation Certificate

Letter of Gratitude from Jiangnan University

Flood control and epidemic prevention

Donation Certificate of Anzhen Sub-district

Donation Certificate of Finance and Law University

The most responsible unit in epidemic prevention and disaster relief

Red Cross Society

Donation Certificate of Shanghai Jiao Tong University

Shanghai Donation Certificate

Outstanding Contribution Award

Enterprises with special contributions to the epidemic response

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