Quinde

Shanghai Yongzeng Chemical Co., Ltd. was officially established in August 2008. As an independent sales company separated from the original factory, we have factory prices, professional domestic sales, export business services, and product quality Ji

The predecessor of Wenzhou Qingming Chemical Co., Ltd. was the former state-owned Wenzhou Qingming Chemical Factory. Wenzhou Qingming Chemical Plant was founded in 1942 and is one of the earliest fine chemical plants established in China. In July 200