1991: Yongchuan Shuangfeng Chemical Plant was established.

1999: It was renamed chongqing shuangfeng agricultural pharmaceutical factory。

2007: The company planed to establish a joint-stock system, renamed Chongqing Shuangfeng Chemical Co。, LTD。

2017: Land acquisition 200,000 square meters in Wansheng, Chongqing, and expand the scale.

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