Yantai Dasteck Chemicals Co., Ltd.

established in 1958, yantai dasteck chemicals co., ltd. is a specialized chemical manufacturer, occupying a total of 160,000 sq. m and floorage of 50,000 sq. m. our products are widely used in the fields of paper-making, printing and dyeing in textile, oil refining, petrochemical, high-speed rail, nuclear power, wind powder and epoxy resin composites. our traditional product is thiourea dioxide. we are the earliest manufacturer in china. in our long history, our company has accumulated rich production and application experiences, hence becoming the industry-leading enterprise. the high stability, security and good efficiency of our products are always recognized and highly praised by domestic and foreign users. in 1989, we set a precedent for industry standards in thiourea dioxide production, which marked the end of an era when no standards or criteria in tdo production is present. being the main drafting unit, we have contributed to the three revisions of national standards of tdo, ea