Shanghai Longyang Chemical Co.,Ltd. is one main Chinese fine chemical producer and exporter, dedicate in the field of pigment, dyestuffs etc colourants. The product mainly include high-performance pigment (such as Pigment Yellow 93,94,95,138,151,180,191, Pigment Red 122,170,254 etc) and solvent dyes (such as Solvent Red 149,196,197,Solvent Yellow 160:1,Solvent Orange 107 etc). It is widely used in printing inks, coatings and paints, plastics and masterbatch, textile colouring, stationery,etc industry, earning a good reputation in domestic and overseas market.