Chongqing Trust Long Co., Ltd. is located in Chongqing, which is the most important manufacturing center in western area of China. The plenty of citrus trees grow along two sides of the Yangtze river around Chongqing. The company dedicates itself to the citrus development. The experienced team has been involved in developing and marketing citrus ingredients and its derivatives since 1995. In the earlier years, the engineers made great works to investigate the citrus resources all over China and established good cooperation with the local farmers for continuous supply of raw materials. Followed the requirements from international users, the professionals have successfully extracted several ingredients from citrus (peel, oil, immature fruit) and developed their derivatives, some of them are in commercial production to be exported worldwide countries