Hangzhou Hengsheng Chemical Co. Ltd. - China

The company is internally developed rapidly in recent years in a professional production of acid dyes units, factories strong technical force, and technical staff accounted for 40% of all staff, detection means complete, the implementation of strict standards, the final products imported by the United States chromatography control, and product quality to meet international standards. export rate (Foreign Direct and acquisitions) amounted to 90%.