ABOUT US
Honor
Quality Management System Certification
C1 A Certificate of Catcher Temperature Regulation Structure for Melting Point Study of Pyromellitic Anhydride
C2 A Certificate of a Sampling Device for Pyromellitic Anhydride
C3 A Certificate of Metal Ion Removal Device for the Production of Pyromellitic Dianhydride
C4 A Catcher Certificate for Collection of Pyromellitic Anhydride Products
C5 A Certificate of Catcher Certificate for the Production of Pyromellitic Anhydride
C6 A Certificate of a Separation Device for the Recovery of Pyromellitic Acid
C7 A Molten Salt Heater for preparation of Electrode Type Pyromellitic dianhydride
D1 A Crystallization Kettle for the Production of Pyromellitic Dianhydride
D2 A Pyromellitic Anhydride Recovery Device
E1 A Certificate of a Purification Device for the Production of Pyromellitic Dianhydride
E2 A Certificate for the Preparation of Pyromellitic Anhydride.
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