Zhongyunda Qingdao Trade Co., Ltd. is an international trade professional business entities delivery systems, headquartered in Huangdao district on the west coast of Qingdao City, Shandong Province Economic and Technological Development Zone. Nearby Japan, Korea, the Russian prime north location. zhongyunda and Weifang zhenxingrubber CO., LTD conduct foreign trade business development and cooperation entities Weifang branch, factory in Dongying, Shandong Province, has about 80,000 square meters, the output value of nearly one billion of assets, the overall strength of the powerful.