Heibei Dong Sheng Industrial Group Corp. is one of major enterprises in Hebei province with the annual output value of RMB 200,000,000 yuan. Our factory is one of eighteen enterprises of our group corp. It was founded in 1988 and mainly produces 50-odd varieties of dyes, including direct, acid, weak acid, basic ones. Our dye products with the registered trademarks of Wenchangge and Haioubrand have reached the advanced level in the domestic trade with the annual output of 3500 tons. In 2002, our company was smoothly certified to ISO9001-2000, and introduced UV-2401PC Spectrophotometer from Japan and Datacolor-100 Color Measuring and Matching Meter from USA in order to meet the technical demands. We are committed to improving quality, keeping good credit, upgrading brands and serving customers, and have been undertaking the standardization of our dye products. Customers are welcome to visit us for trade negotiation and cooperation.