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Winchem Industrial Co. Ltd is a leading manufacturer and exporter of Dyestuffs and Pigments for textiles, paper, plastics, inks, coating and other industries. Our company located in Ningbo, Zhejiang province, beautiful port city in East China, also near Shanghai seaport with convenient transportation. The major of our products are exported to Europe, North America, South America and Asia etc., and our service and quality are well accepted by the customers. Our lab is equipped with state-of-art instruments to control quality from batch to batch, and can guarantee the quality stable of our products. And most of our products comply with relative legislation to heavy metal content and aromatic amines.