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Wujiang Tong Luo Dyestuff Chemical Co.,Ltd. is a private joint-stock enterprise mainly producing direct blend dyes. Our products can be divided into two series: ① Directly Blending Dyestuff; ② Directly Sun-proof Dyestuff, totaled over 30 types. We also provide application service, and you may click the column of "Tech.exchange" in this page for details. We have complete chromatogram...