QILONG- is a key hydrocarbon resin manufacturer in China. At present time, 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 PetroChina, the perfect production facility and years of marketing experience, our products are widey used by our clients, including many Fortune 500 companies in both domestic and abroad markets.