Our corporation is one of the main petroleum resin manufacturers in China, which is located in Shan Dong, Covering an area of 244, 000 square meters. Our main products air C5 modified petroleum resin, C5 petroleum resin and coumarone resin, which is already passed the quality management system certification ISO9001; 2008 and enviromental management system certification ISO14001; 2004. We have established close business relationship with more companies so that the stable supplies, the quality guarantee as well as the flexible ways of doing business can be reached.