With Liaoning Liangang Dyestuff Chemicals Co. Ltd. continuously development and growth, we expanded the area of factory this year again and increased 4 production lines of 1,8-Naphthalic anhydride and the production capacity reaches more than 1000 tons per year. Now , Liangang Chemicals has becomed the largest production base of 1,8-Naphthalic anhydride in Asia.

 

We had imported advanced automatic manufacturing equipments and utilized the first-class technologies, the purity of 1, 8 - Naphthalic anhydride can reach over 98.5 %. Since the liquid chromatogram and the gas chromatography etc , advaced testing instruments are introduced from Japan, the quality of products is ensured effectively. Our leading product is 3, 4, 9, 10 - Peryleneteracarboxylic dianhydride . Over the years, with increasingly expanding of company production scale , its annual production capacity is more than 600 tons and become the biggest production base and provider in China.

 

The vigorous development of company embodies the painstaking effort and wisdom of all staffs. Hard working, devotion, poineering and enterpriseing is the perfect manifestation of everyone in our company. We would like to advocate the working attitude that keeps improving and strive to make our products to reach world-class level.