We take great honor to introduce our factory - Shihezi City Changyun Biochemical Co., Ltd., which is a special manufacturer of citric acid. We can supply high quality product, competitive price and reliable service. At present, we have gotten Star-K Kosher certifictate, OU certificate, ISO9001 and ISO14000 certificate. And have large warehouse in Tianjin port, can deliver the goods in time. If you have any inquiy for citric acid, please kindly contact me by e-mail. You will be satisified with our product and factory in the end. I am looking forward to have the opportunity of being of service to you!