Tian Jin Xi Rong International Trade .Inc is one of professional import and export companies in China, with its own manufacture base in Shizuishan of Ningxia Province. Our company has been specializing in producing cenospheres for about ten years. The cenosphere we produce is of high quality and reasonable price, which can be used to oil drilling and other high-tech fields . During the past years, our product has been exported to the United States, Canada and many European countries. At present we are promoting new products and developing new markets to bridge the needs between home and abroad. Our goal is to creat mutual benefits through frank communication and friendly cooperation.