Established in 1964, Zhuzhou Rubber Research & Design Institute Co., Ltd. of Chemchina now is a specialized research institute and manufacturer of weather balloons in China (Brand: HWOYEE). For years, as the designated supplier of CMA (China Meteorological Administration), HWOYEE weather balloon showed good quality and excellent performance under various weather conditions and in different regions, Now, HWOYEE series balloons have been exported to more than 40 countries as Russia, USA, India, Turkey, Germany, Argentina, UK, Italy, France, Korea, Kazakhstan, Mexico, Malaysia, Indonesia, Vietnam and Mongolia, etc.