Enterprise qualification

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Yuanshu Qualification

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Invention patent

ISO Quality Management System

2018/01/09

Yuanshu Successfully Obtain Invention Patent for Preparation of Dioxysulfonimide Lithium Salt by Using Phthalimide

Yuanshu Successfully Obtain Invention Patent for Preparation of Dioxysulfonimide Lithium Salt by Using Phthalimide

Yuanshu Successfully Obtain Invention Patent for Preparation of Dioxysulfonimide Lithium Salt by Using Phthalimide

2018/01/09

Yuanshu Successfully Obtain Invention Patent of Aromatic Methyl Azide Method for Preparation of Dioxysulfonylimide Lithium Salt

Yuanshu Successfully Obtain Invention Patent of Aromatic Methyl Azide Method for Preparation of Dioxysulfonylimide Lithium Salt

Yuanshu Successfully Obtain Invention Patent of Aromatic Methyl Azide Method for Preparation of Dioxysulfonylimide Lithium Salt

2017/11/14

Yuanshu successfully obtained the invention patent of o-carborane phenol derivative and its preparation method.

Yuanshu successfully obtained the invention patent of o-carborane phenol derivative and its preparation method.

Yuanshu successfully obtained the invention patent of o-carborane phenol derivative and its preparation method.

2017/09/06

Warmly celebrate our company through the ISO9001 quality management system certification

Warmly celebrate our company through the ISO9001 quality management system certification

Warmly celebrate our company through the ISO9001 quality management system certification
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