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  Twochem co.,ltd
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Twochem, a High and New Technology company, is a supplier of fine chemicals, building blocks and pharmaceutical intermediates which located in Zhang Jiang Hi-tech Park in Shanghai, China.

We offer a wide range of API & intermediates, fine chemicals and other active pharmaceutical ingredients compounds. Our plant loacted in Yan Chen city.

Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.