QiLong is a key hydrocarbon resin manufacturer in China. Now, we have three hydrocarbon resin plants in operation in total and they are located in Zibo, Fushun and Nanjing. Taking advantages of the reliable and abundant feedstock resources available in SINOPEC and Petro China, the perfect production facility and years of marking experience, our products are widely used by our clients, including many fortune 500 companies in both domestic and abroad markets.