• TONGCHEM CO., LTD

    No.182 North-Yingxi Street Wukang Deqing Zhejiang

    Deqing tongchem co. Ltd. Was built on 1990. We have 6 branches factories in china and a sales office USA. Our main products including: All kinds of organic pigments, iron oxide dyestuffs, ultramarine blue, container/jumbo bags, phosphorous acid, lamp bulbs, ...