Ningbo Longxin is dedicated to innovate and manufacture high performance Solvent Dyes and Pigment, to explore new products for the market, to provide customers professional solutions worldwide. Longxin, one of the famous brands in colorants industry with more than 20 years manufactural experience, becomes a reliable partner to technical master batch producers, applied to PET Spinning, Nylon Spinning and Engineering Plastics. Plant sited in a national class chemical area ------ Ningbo Petrochemical Economic & Technological Zone. With professional team research and hard working, Longxin is confident to create a prosperous future and maintain sustainability.