Ningbo Jiangbei Chengda Color Master Batch Co., Ltd, established in 1998, is one of the companies in researching and manufacturing Color Master Batch in China. It is currently the relatively large manufacturing company in China, and it is also one member of the Color Batch Division of China National Dyestuff Industry Association. We have formed ?hengda?brand in the following four series of plastic dyeing system, namely special-purpose color batch, general-purpose color batch, functional color batch, as well as modified plastics. It is one of first companies which got ISO 9002 certification in 1999, and every sort of products can be completely up to the ROHS regulation of EU and the standards of the U.S. Food and Drug Administration.