Henan Zhengzhou Songshan Enterprise Group Co., Ltd. is a province key company of new and high technology. It consists of five subsidiaries and one research institute, with the largest production base for high-temperature electric heating elements and the most advanced production line of butyl rubber pharma-stoppers in China. The company carries one state key new production project and two province key high-tech industry projects. We are committed to offer full technical support. In addition to its state-of-the-art equipments, Songshan Groups management and quality control system follows ISO9000 standard. Our products have been well recognized in China for decades. We are also gaining market shares in overseas. Our global market covers Mainland China, Hong Kong, Taiwan, Japan, Southeast Asia, Middle East, Europe and USA. Our products are certified by ISO9001:2000