2,4-dinitrophenol

We are a manufacturer of sulphur black, and we can provide many specifications, such as sulphur black br, sulphur black 6 and soluble br. regarding the strength, we can produce it according to your requirement. in addition, our products are in shiny luster in powder and granule. our production capacity has been over 30,000 metric tons this year, and we plan to produce 50,000 metric tons in the following two years. if you are interested in our products, pls contact us. we hope to establish a lasting cooperation with you. msn:james(line)zhan(at)live(dot)cn