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Business License
ISO 9001
The certificate type: QUALITY MANAGEMENT SYSTEM CERTIEICATE
No.0762109313R1M-JS/001
Date of promulgation: Nov.04.2021
Scope of application: Pruduction and sales of optoelectronic material intermediates(Fluorene derivative and 3-Amino-2-butenoic acid ethyl ester)
Unit of promulgation: Beijing ZhongRunXing Certification Co.,Ltd.