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Yuan Shu has successfully obtained an invention patent for a method of preparing lithium bis(oxysulfonyl)imide using phthalimide.

2018

Yuan Shu has successfully obtained an invention patent for a method to prepare lithium bis(oxysulfonyl)imide via the aromatic methyl‑substituted azo coupling reaction.

2018

Yuan Shu has successfully obtained an invention patent for a phenol derivative of closo‑carborane and its preparation method.

2017

Warmly celebrate our company’s successful certification under the ISO 9001 quality management system.

To further standardize the company’s production, research, and sales processes, effectively manage risks, enhance investment returns, and establish a model of standardized operations and disciplined management, our company initiated the implementation of the ISO 9001 quality management system in July 2017. Following successful certification and audit by the China Quality Certification Centre, we were awarded the ISO 9001 quality management system certificate on August 28, 2017.

2017

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