Shouguang Xinsheng Chemistry CO. , LTD is a new enterprise which specialize in producing thiourea dioxode, have the self import and export operating right. The products of company many advantages, such as instant, dry, nonpoison tasteless so on, quality ...

Yantai dasteck chemicals co. Ltd. Is a comprehensive corporation combined with scientific, industrial and trades sectors. It engages in development, production sale of chemicals, such as thiourea dioxide, thiourea, bleaching agent for deinked pulp, ...