Subsidiaries
Liaoning Liangang Chemicals was founded in 2000 and is a subsidiary of the LianGang group. The company is applied to produce 1,8-Naphthalic Anhydride which used in dyestuff, pigment and pharmaceutical intermediates. The 1,8-NSA can be used in high grad perylene dyes and pigments, agrochemicals, pesticides, high performance resins and thin film because the purity is more than 99.5%. Now, the company has become the biggest production base in the world and achieved the national invention patent and also filled domestic gap. The annual output is 4,500 tons with high purity 1,8-naphthalic anhydride.