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In April 2023
The company's "annual output of 100,000 tons of ionic membrane chlor-alkali relocation, upgrading and supporting construction project" officially started trial production.
In December 2022
The company's fine chemical new material production construction project "annual output of 5000 tons of 2-ethylanthraquinone production line" officially entered the trial production stage.
In November 2022
Lao Hengguang sodium magnesium Technology sole proprietorship Co., Ltd. was established. The company expanded further overseas.
In September 2022
Hk $100 million was invested to establish Hong Kong Hengguang New Energy Chemical Materials Co., LTD.
On November 18, 2021
The company is listed on GEM of Shenzhen Stock Exchange, stock code: 301118.SZ.
In 2018
Our company's new fine chemicals products aminosulfonic acid, calcium-aluminium hydrotalcite, cysteamine have been put into production.
In April 2017
It means our company's business expand to the field of fine chemical industry when Hengyang Fenglian Fine Chemical Co., Ltd.is established.
In August 2016
Our company has acquired the qualification of hazardous waste disposal That means our business expanded to the field of environmental protection services.
On November 18, 2014
Hunan Hengguang Technology Co.,Ltd.is listed in New OTC Market with the stock code of 831359
In June 2014
It means our business expands to the field of new semiconductor materials when Hengyang Henglong High Purity Semiconductor Material Co., Ltd.
Between 2011 and 2014
Hunan Hengguang Technology Co.,Ltd.increased its capital and shares to 80 million yuan.
In May 2011
Joint-stock system reform,officially changed its name to Hunan Hengguang Technology Co.,Ltd
Between 2009 and 2011
Our company introduces external strategic investors such as Xiangjiang Industrial Investment Co., Ltd., Hunan Trust Co., Ltd. ， Hualing Tianjin Shirt, Hunan Hualing Jinshan Investment Management Co., Ltd. etc.
In July 2009
Hunan Hengguang Chemical Co., Ltd.'s 300,000 tons pyrite sulphuric acid production line put into operation
On December 8, 2008
Hunan Hengguang Technology Co.,Ltd. is established

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