Chengdu Yulong Chemical Co., LTD was founded in 1958, up to now, more than 50 years Currently, listed as one of the large-scale industries and 21 key new-material corporations in Chengdu, it has annual production capacities of melamine 50 thousand tons, synthetic ammonia 200 thousand tons, urea 250 thousand tons, Ammonium bicarbonate 250 thousand tons, MCA 6000 tons and Polyvinyl Butyral 1000 tons and organo-silica catalyst 2000 tons.