... be usedPrice: very lowCompany profileChungkong Ad-Mart Co., Ltd. (China) (Chungkong for short) ... , Shanghai, Beijing, Tientsin, Nanking, Hangzhou, Wuxi, Xiamen, Quanzhou, Changsha, Wuhan, Zhengzhou, Taiyuan, Chengdu, ... many well-known companies, such as SINO-CHEM, PetroChina, China Mobile, China ... Credit Rating Enterprise" by China Foreign Trade Enterprise Credit System Expert Evaluation Committee. ...