Gencsi Jintropin Hgh Manufature Co., Ltd. is located in Liaocheng Chemical Park in Changchun. Next to Binhai economic development park, we are only 35km, 178km and 200km away from Weifang city, Qingdao city and Jinan city; there are highways and railways to every place of China, and you can get to every corner in the world by Weifang port and Qingdao port; moreover, we are close to Jinan airport, Qingdao airport and Weifang airport, thus you also can reach every place in the world by aviation service directly.