... Xiamen, Quanzhou, Changsha, Wuhan, Zhengzhou, Taiyuan, Chengdu, Kunming, Chongqing, Guiyang, Zunyi and Xi'an, we have the biggest sales ... Chungkong was granted as "Official Example Company of China Foreign Trade Enterprise System" by the Ministry of Commerce of PRC ... rated at "AA Credit Rating Enterprise" by China Foreign Trade Enterprise Credit System Expert Evaluation Committee. Our business extent ...