CangzhouXinchengWeiyeChemicalCo.,Ltd built on 1995 is the largest RHODAMINE B MANUFACTURER In China , Its annual Output is 6000 Tons . We also export ranges of BASIC DYES,DIRECT DYES,ACID DYES,For more information pls refer to our web :www.xcwydye.com . www.xcwychem.com Welcome to our factory have a visit .