Shandong Changyi Haosen Biotechnology Co., Ltd. is located in the northwest of beautiful Jiaodong Peninsula, the Chinese Salts Town - Changyi. It is in the coast of Bohai Sea, Laizhou Bay. With Yantai, Qingdao in the east, westward it is adjacent to Weifang City. Changyi is in "Qingdao one hour economic circle" and "Weifang half-hour economic circle". Not only the environment is beautiful but also the transportation is very convenient! Changyi Haosen Biotechnology Co., Ltd. is a professional ...