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Postdoctoral scientific research workstation
Science and technology
Science and technology enterprises
chemical enterprise safety standardization
Science and Technology Innovation Award
Hazardous chemicals business license
Certificate of registration of hazardous chemicals
Safety production license
Organization code certificate
business license
AAA credit rating of banks
OHSMS certificate
QMS UKAS certificate
EMS certificate
Sinopec HSE
PetroChina HSE
AAA grade credit enterprise