We Hebei Caiyi Import & Export Trade Co.,Ltd is belong to Caiyi Holding Co.,Limited are one of best dyes and pigment manufacturers and exporters in North of China. We are manufacturing and exporting direct dyes,acid dyes,basic dyes,sulphur dyes,vat dyes,etc in good prices and best quality. With more than 20 years'experience in manufacturing and service. Also we can supply acid dyes, basic dyes,,direct dyes,sulphur dyes,vat dyes in best quality,service & prices. Our goods like Sulphur black,dir...