Qingdao Red Butterfly Barium Materials Co., Ltd. (Former name: Qingdao Dongfeng Chemical Co., Ltd.), belongs to RedStar Group. It was established in 1998 and is the first professional producer of Barium Sulfate in China. Herebelow refers as RED-BUTTERFLY. RED-BUTTERFLY main facility is located in Qingdao, which focus on production of Barium Sulfate X-Ray Grade and Dry Suspensions for pharma industry. Our Annual Capacity is 1500MT. We are the only one GMP facility in China, and supplying our Barium Meals to over 1000 Chinese hospitals. RED-BUTTERFLY also produce Modified Superfine Barium Sulfate over 10000MT, which is widely used in PVC Profiles, Chemical Fiber, Paintings, Oil, Battery, Plastic, Electronics, Cosmetics, and so on. RED-BUTTERFLY Have ISO9001:2000(No.10408Q10435ROMA)..