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In 1996, Shanghai Chemspec Chemical Co., Ltd. was founded.

In 2002, Chemspec was certified as Shanghai High-Tech Enterprise.

In 2005, Chemspec built up its plant in Fengxian, Shanghai.

In 2006, Chemspec was transformed from a domestically-funded enterprise to a foreign-owned enterprise.

In 2007, Chemspec was rated as Shanghai’s Technologically Advanced Enterprise with Foreign Investment and Shanghai’s Enterprise Technology Center.

In 2007, Chemspec built up its new plant in Quzhou, Zhejiang.

In 2009, Chemspec International was listed on the New York Exchange.

In 2009, Chemspec’s Chemical Research and Development Center and headquarter building were completed, and a move was made.

In 2011, Chemspec finished privatization.

In 2015, Shanghai Chemspec Chemical Co., Ltd. changed its name to Shanghai Chemspec Science and Technology Co., Ltd.

In 2016, Chemspec was rated as Shanghai Patent Demonstration Enterprise.

In 2017, Chemspec’s R&D center and headquarter building were relocated.

In 2019, Shanghai Chemspec Science and Technology Co., Ltd. was renamed as Shanghai Chemspec Science and Technology Corporation Limited after finishing the share reform.

In 2019, Chemspec built up its new plant in Lanzhou New Area.

In 2019, Chemspec took over the New Jersey-based API Company.

In 2021, Chemspec was rated as Shanghai “Specialized and New” Enterprise.

In 2021, Chemspec’s new energy plant was built up in Lanzhou New Area.

In 2023, Chemspec was listed on the science and technology innovation board.