Changzhou Zhongding welding material co., ltd is located in the hengshan industrial development zone in wujin, changzhou, right in the middle of the beautiful and prosperous Yangtze delta area. It facts shanghai to the east while nanjing to its west. Wuxi is next to the industrial developemtn zone in the east and changzhou is in its west. It is only two kilometers between trhe corporation and the exit of nanjing-shanghai freeway, so the transportation is very fast, communications are convenient and the enviroment is hospitable. Changzhou zhongding welding material co., ltd is a professional producer of welding material, and its main products include: two major categories contains dioxide gas shielded welding wire and submerged arc welding wire. There are altogether about 20 sorts of products within the two categories. The annual producing capacity of the corporation has reached the level of over 20000 tons. Based on ISO9001-2000 quality aontrol system, we bring in new technology and manufacturing management experience continually to establish a set of perfect quality system. The products have been endorsed by standardized national supervision and inspection. We received the reorganization of ABS, CCS and GL at the same time.