Zhengding Shengguo Chemical Factory is one of the leading dyes factory in china.
Our factory specializes in the development, manufacture, marketing and after-sales service of Sulphur Black.
Our factory specializes in the development, manufacture, marketing and after-sales service of Sulphur Black.
40% of our product exported to south America, Pakistan , Europe etc. The capability of sulphur
black is 20000tons per year. The product inclued sulphur black 150%,.. ..
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