Qingdao Yier International Co., Ltd is a the leading supplier, the largest synthetical company in China, we got the certification of ISO9002 in 2009, and ISO9001:2000 in 2002. Our business started in 1955, now we had four factories and five constituent company. We Listed on the Shenzhen Stock Exchange in 1999. Our products are exported to many countries, and are well accepted as high quanlity with competitive prices, especially pupular in European, America, South East Asia, and Afraica.Our main products is Graphite Electrode(all type of Graphite Electrodes), Positive Pole, Graphite Block and other Graphite products, they are widely used in Metallurgy, Chemical Industry , Mechanism, Electronics, Aviation, War industry, Medical treatment, New Material and so on.If you are interested in any item above, please feel free to contact us for details.